216898305

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{11467}}^1$

素因数の和:11585

約数の個数: 32

約数和(自身を含む): 377618304

約数和(自身を除く): 160719999

約数列:

[1, 3, 5, 13, 15, 39, 65, 97, 195, 291, 485, 1261, 1455, 3783, 6305, 11467, 18915, 34401, 57335, 149071, 172005, 447213, 745355, 1112299, 2236065, 3336897, 5561495, 14459887, 16684485, 43379661, 72299435, 216898305]

約数ペア:

[(1, 216898305), (3, 72299435), (5, 43379661), (13, 16684485), (15, 14459887), (39, 5561495), (65, 3336897), (97, 2236065), (195, 1112299), (291, 745355), (485, 447213), (1261, 172005), (1455, 149071), (3783, 57335), (6305, 34401), (11467, 18915)]