71878443

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1297}}^1$

素因数の和:1356

約数の個数: 48

約数和(自身を含む): 124296480

約数和(自身を除く): 52418037

約数列:

[1, 3, 7, 13, 21, 29, 39, 49, 87, 91, 147, 203, 273, 377, 609, 637, 1131, 1297, 1421, 1911, 2639, 3891, 4263, 7917, 9079, 16861, 18473, 27237, 37613, 50583, 55419, 63553, 112839, 118027, 190659, 263291, 354081, 488969, 789873, 826189, 1466907, 1843037, 2478567, 3422783, 5529111, 10268349, 23959481, 71878443]

約数ペア:

[(1, 71878443), (3, 23959481), (7, 10268349), (13, 5529111), (21, 3422783), (29, 2478567), (39, 1843037), (49, 1466907), (87, 826189), (91, 789873), (147, 488969), (203, 354081), (273, 263291), (377, 190659), (609, 118027), (637, 112839), (1131, 63553), (1297, 55419), (1421, 50583), (1911, 37613), (2639, 27237), (3891, 18473), (4263, 16861), (7917, 9079)]