7147875

素因数分解:

$3^1\times 5^3\times 7^2\times {\mathrm{389}}^1$

素因数の和:421

約数の個数: 48

約数和(自身を含む): 13871520

約数和(自身を除く): 6723645

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 125, 147, 175, 245, 375, 389, 525, 735, 875, 1167, 1225, 1945, 2625, 2723, 3675, 5835, 6125, 8169, 9725, 13615, 18375, 19061, 29175, 40845, 48625, 57183, 68075, 95305, 145875, 204225, 285915, 340375, 476525, 1021125, 1429575, 2382625, 7147875]

約数ペア:

[(1, 7147875), (3, 2382625), (5, 1429575), (7, 1021125), (15, 476525), (21, 340375), (25, 285915), (35, 204225), (49, 145875), (75, 95305), (105, 68075), (125, 57183), (147, 48625), (175, 40845), (245, 29175), (375, 19061), (389, 18375), (525, 13615), (735, 9725), (875, 8169), (1167, 6125), (1225, 5835), (1945, 3675), (2625, 2723)]