28737375

素因数分解:

$3^1\times 5^3\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:604

約数の個数: 32

約数和(自身を含む): 48185280

約数和(自身を除く): 19447905

約数列:

[1, 3, 5, 15, 25, 75, 125, 197, 375, 389, 591, 985, 1167, 1945, 2955, 4925, 5835, 9725, 14775, 24625, 29175, 48625, 73875, 76633, 145875, 229899, 383165, 1149495, 1915825, 5747475, 9579125, 28737375]

約数ペア:

[(1, 28737375), (3, 9579125), (5, 5747475), (15, 1915825), (25, 1149495), (75, 383165), (125, 229899), (197, 145875), (375, 76633), (389, 73875), (591, 48625), (985, 29175), (1167, 24625), (1945, 14775), (2955, 9725), (4925, 5835)]