221864721

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{7417}}^1$

素因数の和:7505

約数の個数: 24

約数和(自身を含む): 325798560

約数和(自身を除く): 103933839

約数列:

[1, 3, 13, 39, 59, 169, 177, 507, 767, 2301, 7417, 9971, 22251, 29913, 96421, 289263, 437603, 1253473, 1312809, 3760419, 5688839, 17066517, 73954907, 221864721]

約数ペア:

[(1, 221864721), (3, 73954907), (13, 17066517), (39, 5688839), (59, 3760419), (169, 1312809), (177, 1253473), (507, 437603), (767, 289263), (2301, 96421), (7417, 29913), (9971, 22251)]