16585875

素因数分解:

$3^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:685

約数の個数: 48

約数和(自身を含む): 31247424

約数和(自身を除く): 14661549

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 125, 207, 225, 345, 375, 575, 641, 1035, 1125, 1725, 1923, 2875, 3205, 5175, 5769, 8625, 9615, 14743, 16025, 25875, 28845, 44229, 48075, 73715, 80125, 132687, 144225, 221145, 240375, 368575, 663435, 721125, 1105725, 1842875, 3317175, 5528625, 16585875]

約数ペア:

[(1, 16585875), (3, 5528625), (5, 3317175), (9, 1842875), (15, 1105725), (23, 721125), (25, 663435), (45, 368575), (69, 240375), (75, 221145), (115, 144225), (125, 132687), (207, 80125), (225, 73715), (345, 48075), (375, 44229), (575, 28845), (641, 25875), (1035, 16025), (1125, 14743), (1725, 9615), (1923, 8625), (2875, 5769), (3205, 5175)]