25978875

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{73}}^2$

素因数の和:177

約数の個数: 48

約数和(自身を含む): 47200608

約数和(自身を除く): 21221733

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 73, 75, 125, 195, 219, 325, 365, 375, 949, 975, 1095, 1625, 1825, 2847, 4745, 4875, 5329, 5475, 9125, 14235, 15987, 23725, 26645, 27375, 69277, 71175, 79935, 118625, 133225, 207831, 346385, 355875, 399675, 666125, 1039155, 1731925, 1998375, 5195775, 8659625, 25978875]

約数ペア:

[(1, 25978875), (3, 8659625), (5, 5195775), (13, 1998375), (15, 1731925), (25, 1039155), (39, 666125), (65, 399675), (73, 355875), (75, 346385), (125, 207831), (195, 133225), (219, 118625), (325, 79935), (365, 71175), (375, 69277), (949, 27375), (975, 26645), (1095, 23725), (1625, 15987), (1825, 14235), (2847, 9125), (4745, 5475), (4875, 5329)]