216221607

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{58171}}^1$

素因数の和:58243

約数の個数: 24

約数和(自身を含む): 362993280

約数和(自身を除く): 146771673

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 58171, 174513, 407197, 523539, 1221591, 3432089, 3664773, 10296267, 24024623, 30888801, 72073869, 216221607]

約数ペア:

[(1, 216221607), (3, 72073869), (7, 30888801), (9, 24024623), (21, 10296267), (59, 3664773), (63, 3432089), (177, 1221591), (413, 523539), (531, 407197), (1239, 174513), (3717, 58171)]