7648875

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{523}}^1$

素因数の和:557

約数の個数: 48

約数和(自身を含む): 14877408

約数和(自身を除く): 7228533

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 125, 195, 225, 325, 375, 523, 585, 975, 1125, 1569, 1625, 2615, 2925, 4707, 4875, 6799, 7845, 13075, 14625, 20397, 23535, 33995, 39225, 61191, 65375, 101985, 117675, 169975, 196125, 305955, 509925, 588375, 849875, 1529775, 2549625, 7648875]

約数ペア:

[(1, 7648875), (3, 2549625), (5, 1529775), (9, 849875), (13, 588375), (15, 509925), (25, 305955), (39, 196125), (45, 169975), (65, 117675), (75, 101985), (117, 65375), (125, 61191), (195, 39225), (225, 33995), (325, 23535), (375, 20397), (523, 14625), (585, 13075), (975, 7845), (1125, 6799), (1569, 4875), (1625, 4707), (2615, 2925)]