208833807

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{163}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 365906304

約数和(自身を除く): 157072497

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 163, 169, 247, 273, 361, 399, 489, 507, 741, 1083, 1141, 1183, 1729, 2119, 2527, 3097, 3211, 3423, 3549, 4693, 5187, 6357, 7581, 9291, 9633, 14079, 14833, 21679, 22477, 27547, 32851, 40261, 44499, 58843, 61009, 65037, 67431, 82641, 98553, 120783, 176529, 183027, 192829, 281827, 411901, 427063, 523393, 578487, 764959, 845481, 1235703, 1281189, 1570179, 2294877, 3663751, 5354713, 9944467, 10991253, 16064139, 29833401, 69611269, 208833807]

約数ペア:

[(1, 208833807), (3, 69611269), (7, 29833401), (13, 16064139), (19, 10991253), (21, 9944467), (39, 5354713), (57, 3663751), (91, 2294877), (133, 1570179), (163, 1281189), (169, 1235703), (247, 845481), (273, 764959), (361, 578487), (399, 523393), (489, 427063), (507, 411901), (741, 281827), (1083, 192829), (1141, 183027), (1183, 176529), (1729, 120783), (2119, 98553), (2527, 82641), (3097, 67431), (3211, 65037), (3423, 61009), (3549, 58843), (4693, 44499), (5187, 40261), (6357, 32851), (7581, 27547), (9291, 22477), (9633, 21679), (14079, 14833)]