15957975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 31105152

約数和(自身を除く): 15147177

約数列:

[1, 3, 5, 11, 15, 23, 25, 29, 33, 55, 69, 75, 87, 115, 145, 165, 253, 275, 319, 345, 435, 575, 667, 725, 759, 825, 841, 957, 1265, 1595, 1725, 2001, 2175, 2523, 3335, 3795, 4205, 4785, 6325, 7337, 7975, 9251, 10005, 12615, 16675, 18975, 19343, 21025, 22011, 23925, 27753, 36685, 46255, 50025, 58029, 63075, 96715, 110055, 138765, 183425, 212773, 231275, 290145, 483575, 550275, 638319, 693825, 1063865, 1450725, 3191595, 5319325, 15957975]

約数ペア:

[(1, 15957975), (3, 5319325), (5, 3191595), (11, 1450725), (15, 1063865), (23, 693825), (25, 638319), (29, 550275), (33, 483575), (55, 290145), (69, 231275), (75, 212773), (87, 183425), (115, 138765), (145, 110055), (165, 96715), (253, 63075), (275, 58029), (319, 50025), (345, 46255), (435, 36685), (575, 27753), (667, 23925), (725, 22011), (759, 21025), (825, 19343), (841, 18975), (957, 16675), (1265, 12615), (1595, 10005), (1725, 9251), (2001, 7975), (2175, 7337), (2523, 6325), (3335, 4785), (3795, 4205)]