25180491

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{283}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 40714240

約数和(自身を除く): 15533749

約数列:

[1, 3, 7, 19, 21, 57, 133, 223, 283, 399, 669, 849, 1561, 1981, 4237, 4683, 5377, 5943, 12711, 16131, 29659, 37639, 63109, 88977, 112917, 189327, 441763, 1199071, 1325289, 3597213, 8393497, 25180491]

約数ペア:

[(1, 25180491), (3, 8393497), (7, 3597213), (19, 1325289), (21, 1199071), (57, 441763), (133, 189327), (223, 112917), (283, 88977), (399, 63109), (669, 37639), (849, 29659), (1561, 16131), (1981, 12711), (4237, 5943), (4683, 5377)]