51261255

素因数分解:

$3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2693}}^1$

素因数の和:2757

約数の個数: 40

約数和(自身を含む): 93880512

約数和(自身を除く): 42619257

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 405, 423, 705, 1269, 2115, 2693, 3807, 6345, 8079, 13465, 19035, 24237, 40395, 72711, 121185, 126571, 218133, 363555, 379713, 632855, 1090665, 1139139, 1898565, 3417417, 5695695, 10252251, 17087085, 51261255]

約数ペア:

[(1, 51261255), (3, 17087085), (5, 10252251), (9, 5695695), (15, 3417417), (27, 1898565), (45, 1139139), (47, 1090665), (81, 632855), (135, 379713), (141, 363555), (235, 218133), (405, 126571), (423, 121185), (705, 72711), (1269, 40395), (2115, 24237), (2693, 19035), (3807, 13465), (6345, 8079)]