51255399

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 75950784

約数和(自身を除く): 24695385

約数列:

[1, 3, 13, 39, 53, 137, 159, 181, 411, 543, 689, 1781, 2067, 2353, 5343, 7059, 7261, 9593, 21783, 24797, 28779, 74391, 94393, 124709, 283179, 322361, 374127, 967083, 1314241, 3942723, 17085133, 51255399]

約数ペア:

[(1, 51255399), (3, 17085133), (13, 3942723), (39, 1314241), (53, 967083), (137, 374127), (159, 322361), (181, 283179), (411, 124709), (543, 94393), (689, 74391), (1781, 28779), (2067, 24797), (2353, 21783), (5343, 9593), (7059, 7261)]