13188375

素因数分解:

$3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:657

約数の個数: 48

約数和(自身を含む): 25066080

約数和(自身を除く): 11877705

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 125, 171, 225, 285, 375, 475, 617, 855, 1125, 1425, 1851, 2375, 3085, 4275, 5553, 7125, 9255, 11723, 15425, 21375, 27765, 35169, 46275, 58615, 77125, 105507, 138825, 175845, 231375, 293075, 527535, 694125, 879225, 1465375, 2637675, 4396125, 13188375]

約数ペア:

[(1, 13188375), (3, 4396125), (5, 2637675), (9, 1465375), (15, 879225), (19, 694125), (25, 527535), (45, 293075), (57, 231375), (75, 175845), (95, 138825), (125, 105507), (171, 77125), (225, 58615), (285, 46275), (375, 35169), (475, 27765), (617, 21375), (855, 15425), (1125, 11723), (1425, 9255), (1851, 7125), (2375, 5553), (3085, 4275)]