216335679

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{3259}}^1$

素因数の和:3407

約数の個数: 32

約数和(自身を含む): 344256000

約数和(自身を除く): 127920321

約数列:

[1, 3, 7, 21, 29, 87, 109, 203, 327, 609, 763, 2289, 3161, 3259, 9483, 9777, 22127, 22813, 66381, 68439, 94511, 283533, 355231, 661577, 1065693, 1984731, 2486617, 7459851, 10301699, 30905097, 72111893, 216335679]

約数ペア:

[(1, 216335679), (3, 72111893), (7, 30905097), (21, 10301699), (29, 7459851), (87, 2486617), (109, 1984731), (203, 1065693), (327, 661577), (609, 355231), (763, 283533), (2289, 94511), (3161, 68439), (3259, 66381), (9483, 22813), (9777, 22127)]