812331

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:203

約数の個数: 24

約数和(自身を含む): 1297296

約数和(自身を除く): 484965

約数列:

[1, 3, 9, 13, 39, 53, 117, 131, 159, 393, 477, 689, 1179, 1703, 2067, 5109, 6201, 6943, 15327, 20829, 62487, 90259, 270777, 812331]

約数ペア:

[(1, 812331), (3, 270777), (9, 90259), (13, 62487), (39, 20829), (53, 15327), (117, 6943), (131, 6201), (159, 5109), (393, 2067), (477, 1703), (689, 1179)]