40538421

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:112

約数の個数: 128

約数和(自身を含む): 84049920

約数和(自身を除く): 43511499

約数列:

[1, 3, 7, 9, 11, 17, 21, 27, 31, 33, 37, 51, 63, 77, 93, 99, 111, 119, 153, 187, 189, 217, 231, 259, 279, 297, 333, 341, 357, 407, 459, 527, 561, 629, 651, 693, 777, 837, 999, 1023, 1071, 1147, 1221, 1309, 1581, 1683, 1887, 1953, 2079, 2331, 2387, 2849, 3069, 3213, 3441, 3663, 3689, 3927, 4403, 4743, 5049, 5661, 5797, 5859, 6919, 6993, 7161, 8029, 8547, 9207, 10323, 10989, 11067, 11781, 12617, 13209, 14229, 16983, 17391, 19499, 20757, 21483, 24087, 25641, 30969, 33201, 35343, 37851, 39627, 40579, 48433, 52173, 58497, 62271, 64449, 72261, 76923, 88319, 99603, 113553, 118881, 121737, 136493, 145299, 156519, 175491, 186813, 214489, 216783, 264957, 340659, 365211, 409479, 435897, 526473, 643467, 794871, 1095633, 1228437, 1307691, 1501423, 1930401, 2384613, 3685311, 4504269, 5791203, 13512807, 40538421]

約数ペア:

[(1, 40538421), (3, 13512807), (7, 5791203), (9, 4504269), (11, 3685311), (17, 2384613), (21, 1930401), (27, 1501423), (31, 1307691), (33, 1228437), (37, 1095633), (51, 794871), (63, 643467), (77, 526473), (93, 435897), (99, 409479), (111, 365211), (119, 340659), (153, 264957), (187, 216783), (189, 214489), (217, 186813), (231, 175491), (259, 156519), (279, 145299), (297, 136493), (333, 121737), (341, 118881), (357, 113553), (407, 99603), (459, 88319), (527, 76923), (561, 72261), (629, 64449), (651, 62271), (693, 58497), (777, 52173), (837, 48433), (999, 40579), (1023, 39627), (1071, 37851), (1147, 35343), (1221, 33201), (1309, 30969), (1581, 25641), (1683, 24087), (1887, 21483), (1953, 20757), (2079, 19499), (2331, 17391), (2387, 16983), (2849, 14229), (3069, 13209), (3213, 12617), (3441, 11781), (3663, 11067), (3689, 10989), (3927, 10323), (4403, 9207), (4743, 8547), (5049, 8029), (5661, 7161), (5797, 6993), (5859, 6919)]