16621875

素因数分解:

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

素因数の和:231

約数の個数: 48

約数和(自身を含む): 30935520

約数和(自身を除く): 14313645

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 197, 225, 375, 591, 625, 675, 985, 1125, 1773, 1875, 2955, 3125, 3375, 4925, 5319, 5625, 8865, 9375, 14775, 16875, 24625, 26595, 28125, 44325, 73875, 84375, 123125, 132975, 221625, 369375, 615625, 664875, 1108125, 1846875, 3324375, 5540625, 16621875]

約数ペア:

[(1, 16621875), (3, 5540625), (5, 3324375), (9, 1846875), (15, 1108125), (25, 664875), (27, 615625), (45, 369375), (75, 221625), (125, 132975), (135, 123125), (197, 84375), (225, 73875), (375, 44325), (591, 28125), (625, 26595), (675, 24625), (985, 16875), (1125, 14775), (1773, 9375), (1875, 8865), (2955, 5625), (3125, 5319), (3375, 4925)]