42135639

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1297}}^1$

素因数の和:1344

約数の個数: 48

約数和(自身を含む): 74577888

約数和(自身を除く): 32442249

約数列:

[1, 3, 7, 13, 17, 21, 39, 49, 51, 91, 119, 147, 221, 273, 357, 637, 663, 833, 1297, 1547, 1911, 2499, 3891, 4641, 9079, 10829, 16861, 22049, 27237, 32487, 50583, 63553, 66147, 118027, 154343, 190659, 286637, 354081, 463029, 826189, 859911, 1080401, 2006459, 2478567, 3241203, 6019377, 14045213, 42135639]

約数ペア:

[(1, 42135639), (3, 14045213), (7, 6019377), (13, 3241203), (17, 2478567), (21, 2006459), (39, 1080401), (49, 859911), (51, 826189), (91, 463029), (119, 354081), (147, 286637), (221, 190659), (273, 154343), (357, 118027), (637, 66147), (663, 63553), (833, 50583), (1297, 32487), (1547, 27237), (1911, 22049), (2499, 16861), (3891, 10829), (4641, 9079)]