15542995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 21111552

約数和(自身を除く): 5568557

約数列:

[1, 5, 13, 43, 65, 67, 83, 215, 335, 415, 559, 871, 1079, 2795, 2881, 3569, 4355, 5395, 5561, 14405, 17845, 27805, 37453, 46397, 72293, 187265, 231985, 239123, 361465, 1195615, 3108599, 15542995]

約数ペア:

[(1, 15542995), (5, 3108599), (13, 1195615), (43, 361465), (65, 239123), (67, 231985), (83, 187265), (215, 72293), (335, 46397), (415, 37453), (559, 27805), (871, 17845), (1079, 14405), (2795, 5561), (2881, 5395), (3569, 4355)]