72020715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{1373}}^1$

素因数の和:1663

約数の個数: 32

約数和(自身を含む): 124649280

約数和(自身を除く): 52628565

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 269, 807, 1345, 1373, 3497, 4035, 4119, 6865, 10491, 17485, 17849, 20595, 52455, 53547, 89245, 267735, 369337, 1108011, 1846685, 4801381, 5540055, 14404143, 24006905, 72020715]

約数ペア:

[(1, 72020715), (3, 24006905), (5, 14404143), (13, 5540055), (15, 4801381), (39, 1846685), (65, 1108011), (195, 369337), (269, 267735), (807, 89245), (1345, 53547), (1373, 52455), (3497, 20595), (4035, 17849), (4119, 17485), (6865, 10491)]