645770517

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:183

約数の個数: 128

約数和(自身を含む): 1167851520

約数和(自身を除く): 522081003

約数列:

[1, 3, 7, 17, 21, 23, 31, 43, 51, 59, 69, 93, 119, 129, 161, 177, 217, 301, 357, 391, 413, 483, 527, 651, 713, 731, 903, 989, 1003, 1173, 1239, 1333, 1357, 1581, 1829, 2139, 2193, 2537, 2737, 2967, 3009, 3689, 3999, 4071, 4991, 5117, 5487, 6923, 7021, 7611, 8211, 9331, 9499, 11067, 12121, 12803, 14973, 15351, 16813, 17759, 20769, 21063, 22661, 23069, 27993, 28497, 30659, 31093, 36363, 38409, 42067, 43129, 50439, 53277, 58351, 67983, 69207, 78647, 84847, 91977, 93279, 117691, 126201, 129387, 158627, 161483, 175053, 214613, 217651, 235941, 254541, 294469, 301903, 353073, 408457, 475881, 484449, 521203, 550529, 643839, 652953, 715139, 883407, 905709, 991967, 1225371, 1336999, 1563609, 1651587, 1808881, 2145417, 2975901, 3648421, 4010997, 5005973, 5426643, 6943769, 9358993, 10945263, 12662167, 15017919, 20831307, 28076979, 30750977, 37986501, 92252931, 215256839, 645770517]

約数ペア:

[(1, 645770517), (3, 215256839), (7, 92252931), (17, 37986501), (21, 30750977), (23, 28076979), (31, 20831307), (43, 15017919), (51, 12662167), (59, 10945263), (69, 9358993), (93, 6943769), (119, 5426643), (129, 5005973), (161, 4010997), (177, 3648421), (217, 2975901), (301, 2145417), (357, 1808881), (391, 1651587), (413, 1563609), (483, 1336999), (527, 1225371), (651, 991967), (713, 905709), (731, 883407), (903, 715139), (989, 652953), (1003, 643839), (1173, 550529), (1239, 521203), (1333, 484449), (1357, 475881), (1581, 408457), (1829, 353073), (2139, 301903), (2193, 294469), (2537, 254541), (2737, 235941), (2967, 217651), (3009, 214613), (3689, 175053), (3999, 161483), (4071, 158627), (4991, 129387), (5117, 126201), (5487, 117691), (6923, 93279), (7021, 91977), (7611, 84847), (8211, 78647), (9331, 69207), (9499, 67983), (11067, 58351), (12121, 53277), (12803, 50439), (14973, 43129), (15351, 42067), (16813, 38409), (17759, 36363), (20769, 31093), (21063, 30659), (22661, 28497), (23069, 27993)]