2978475

素因数分解:

$3^1\times 5^2\times {\mathrm{151}}^1\times {\mathrm{263}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 4975872

約数和(自身を除く): 1997397

約数列:

[1, 3, 5, 15, 25, 75, 151, 263, 453, 755, 789, 1315, 2265, 3775, 3945, 6575, 11325, 19725, 39713, 119139, 198565, 595695, 992825, 2978475]

約数ペア:

[(1, 2978475), (3, 992825), (5, 595695), (15, 198565), (25, 119139), (75, 39713), (151, 19725), (263, 11325), (453, 6575), (755, 3945), (789, 3775), (1315, 2265)]