620895

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 32

約数和(自身を含む): 1119744

約数和(自身を除く): 498849

約数列:

[1, 3, 5, 11, 15, 33, 53, 55, 71, 159, 165, 213, 265, 355, 583, 781, 795, 1065, 1749, 2343, 2915, 3763, 3905, 8745, 11289, 11715, 18815, 41393, 56445, 124179, 206965, 620895]

約数ペア:

[(1, 620895), (3, 206965), (5, 124179), (11, 56445), (15, 41393), (33, 18815), (53, 11715), (55, 11289), (71, 8745), (159, 3905), (165, 3763), (213, 2915), (265, 2343), (355, 1749), (583, 1065), (781, 795)]