142480247

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2971}}^1$

素因数の和:3039

約数の個数: 32

約数和(自身を含む): 191729664

約数和(自身を除く): 49249417

約数列:

[1, 7, 13, 17, 31, 91, 119, 217, 221, 403, 527, 1547, 2821, 2971, 3689, 6851, 20797, 38623, 47957, 50507, 92101, 270361, 353549, 644707, 656591, 1197313, 1565717, 4596137, 8381191, 10960019, 20354321, 142480247]

約数ペア:

[(1, 142480247), (7, 20354321), (13, 10960019), (17, 8381191), (31, 4596137), (91, 1565717), (119, 1197313), (217, 656591), (221, 644707), (403, 353549), (527, 270361), (1547, 92101), (2821, 50507), (2971, 47957), (3689, 38623), (6851, 20797)]