1947996225

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1621}}^1$

素因数の和:1760

約数の個数: 108

約数和(自身を含む): 4098485820

約数和(自身を除く): 2150489595

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 109, 147, 175, 225, 245, 315, 327, 441, 525, 545, 735, 763, 981, 1225, 1575, 1621, 1635, 2205, 2289, 2725, 3675, 3815, 4863, 4905, 5341, 6867, 8105, 8175, 11025, 11347, 11445, 14589, 16023, 19075, 24315, 24525, 26705, 34041, 34335, 40525, 48069, 56735, 57225, 72945, 79429, 80115, 102123, 121575, 133525, 170205, 171675, 176689, 238287, 240345, 283675, 364725, 397145, 400575, 510615, 530067, 714861, 851025, 883445, 1191435, 1201725, 1236823, 1590201, 1985725, 2553075, 2650335, 3574305, 3710469, 4417225, 5957175, 6184115, 7951005, 8657761, 11131407, 13251675, 17871525, 18552345, 25973283, 30920575, 39755025, 43288805, 55657035, 77919849, 92761725, 129866415, 216444025, 278285175, 389599245, 649332075, 1947996225]

約数ペア:

[(1, 1947996225), (3, 649332075), (5, 389599245), (7, 278285175), (9, 216444025), (15, 129866415), (21, 92761725), (25, 77919849), (35, 55657035), (45, 43288805), (49, 39755025), (63, 30920575), (75, 25973283), (105, 18552345), (109, 17871525), (147, 13251675), (175, 11131407), (225, 8657761), (245, 7951005), (315, 6184115), (327, 5957175), (441, 4417225), (525, 3710469), (545, 3574305), (735, 2650335), (763, 2553075), (981, 1985725), (1225, 1590201), (1575, 1236823), (1621, 1201725), (1635, 1191435), (2205, 883445), (2289, 851025), (2725, 714861), (3675, 530067), (3815, 510615), (4863, 400575), (4905, 397145), (5341, 364725), (6867, 283675), (8105, 240345), (8175, 238287), (11025, 176689), (11347, 171675), (11445, 170205), (14589, 133525), (16023, 121575), (19075, 102123), (24315, 80115), (24525, 79429), (26705, 72945), (34041, 57225), (34335, 56735), (40525, 48069)]