72589881

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15641}}^1$

素因数の和:15681

約数の個数: 32

約数和(自身を含む): 126137088

約数和(自身を除く): 53547207

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 15641, 46923, 109487, 203333, 265897, 328461, 609999, 797691, 1423331, 1861279, 3456661, 4269993, 5583837, 10369983, 24196627, 72589881]

約数ペア:

[(1, 72589881), (3, 24196627), (7, 10369983), (13, 5583837), (17, 4269993), (21, 3456661), (39, 1861279), (51, 1423331), (91, 797691), (119, 609999), (221, 328461), (273, 265897), (357, 203333), (663, 109487), (1547, 46923), (4641, 15641)]