278915674779

素因数分解:

$3^3\times 7^1\times {\mathrm{1789}}^1\times {\mathrm{824899}}^1$

素因数の和:826704

約数の個数: 32

約数和(自身を含む): 472502720000

約数和(自身を除く): 193587045221

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1789, 5367, 12523, 16101, 37569, 48303, 112707, 338121, 824899, 2474697, 5774293, 7424091, 17322879, 22272273, 51968637, 155905911, 1475744311, 4427232933, 10330210177, 13281698799, 30990630531, 39845096397, 92971891593, 278915674779]

約数ペア:

[(1, 278915674779), (3, 92971891593), (7, 39845096397), (9, 30990630531), (21, 13281698799), (27, 10330210177), (63, 4427232933), (189, 1475744311), (1789, 155905911), (5367, 51968637), (12523, 22272273), (16101, 17322879), (37569, 7424091), (48303, 5774293), (112707, 2474697), (338121, 824899)]