31235415

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{613}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 51870720

約数和(自身を除く): 20635305

約数列:

[1, 3, 5, 15, 43, 79, 129, 215, 237, 395, 613, 645, 1185, 1839, 3065, 3397, 9195, 10191, 16985, 26359, 48427, 50955, 79077, 131795, 145281, 242135, 395385, 726405, 2082361, 6247083, 10411805, 31235415]

約数ペア:

[(1, 31235415), (3, 10411805), (5, 6247083), (15, 2082361), (43, 726405), (79, 395385), (129, 242135), (215, 145281), (237, 131795), (395, 79077), (613, 50955), (645, 48427), (1185, 26359), (1839, 16985), (3065, 10191), (3397, 9195)]