217439685

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{701}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 387015408

約数和(自身を除く): 169575723

約数列:

[1, 3, 5, 9, 15, 45, 61, 113, 183, 305, 339, 549, 565, 701, 915, 1017, 1695, 2103, 2745, 3505, 5085, 6309, 6893, 10515, 20679, 31545, 34465, 42761, 62037, 79213, 103395, 128283, 213805, 237639, 310185, 384849, 396065, 641415, 712917, 1188195, 1924245, 3564585, 4831993, 14495979, 24159965, 43487937, 72479895, 217439685]

約数ペア:

[(1, 217439685), (3, 72479895), (5, 43487937), (9, 24159965), (15, 14495979), (45, 4831993), (61, 3564585), (113, 1924245), (183, 1188195), (305, 712917), (339, 641415), (549, 396065), (565, 384849), (701, 310185), (915, 237639), (1017, 213805), (1695, 128283), (2103, 103395), (2745, 79213), (3505, 62037), (5085, 42761), (6309, 34465), (6893, 31545), (10515, 20679)]