31079619

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:273

約数の個数: 40

約数和(自身を含む): 48874320

約数和(自身を除く): 17794701

約数列:

[1, 3, 9, 27, 29, 81, 87, 101, 131, 261, 303, 393, 783, 909, 1179, 2349, 2727, 2929, 3537, 3799, 8181, 8787, 10611, 11397, 13231, 26361, 34191, 39693, 79083, 102573, 119079, 237249, 307719, 357237, 383699, 1071711, 1151097, 3453291, 10359873, 31079619]

約数ペア:

[(1, 31079619), (3, 10359873), (9, 3453291), (27, 1151097), (29, 1071711), (81, 383699), (87, 357237), (101, 307719), (131, 237249), (261, 119079), (303, 102573), (393, 79083), (783, 39693), (909, 34191), (1179, 26361), (2349, 13231), (2727, 11397), (2929, 10611), (3537, 8787), (3799, 8181)]