309299715

素因数分解:

$3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{16249}}^1$

素因数の和:16313

約数の個数: 40

約数和(自身を含む): 566280000

約数和(自身を除く): 256980285

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 405, 423, 705, 1269, 2115, 3807, 6345, 16249, 19035, 48747, 81245, 146241, 243735, 438723, 731205, 763703, 1316169, 2193615, 2291109, 3818515, 6580845, 6873327, 11455545, 20619981, 34366635, 61859943, 103099905, 309299715]

約数ペア:

[(1, 309299715), (3, 103099905), (5, 61859943), (9, 34366635), (15, 20619981), (27, 11455545), (45, 6873327), (47, 6580845), (81, 3818515), (135, 2291109), (141, 2193615), (235, 1316169), (405, 763703), (423, 731205), (705, 438723), (1269, 243735), (2115, 146241), (3807, 81245), (6345, 48747), (16249, 19035)]