28944375

素因数分解:

$3^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:425

約数の個数: 40

約数和(自身を含む): 49484160

約数和(自身を除く): 20539785

約数列:

[1, 3, 5, 15, 25, 43, 75, 125, 129, 215, 359, 375, 625, 645, 1075, 1077, 1795, 1875, 3225, 5375, 5385, 8975, 15437, 16125, 26875, 26925, 44875, 46311, 77185, 80625, 134625, 224375, 231555, 385925, 673125, 1157775, 1929625, 5788875, 9648125, 28944375]

約数ペア:

[(1, 28944375), (3, 9648125), (5, 5788875), (15, 1929625), (25, 1157775), (43, 673125), (75, 385925), (125, 231555), (129, 224375), (215, 134625), (359, 80625), (375, 77185), (625, 46311), (645, 44875), (1075, 26925), (1077, 26875), (1795, 16125), (1875, 15437), (3225, 8975), (5375, 5385)]