31413177

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:395

約数の個数: 40

約数和(自身を含む): 49832640

約数和(自身を除く): 18419463

約数列:

[1, 3, 9, 27, 29, 43, 81, 87, 129, 261, 311, 387, 783, 933, 1161, 1247, 2349, 2799, 3483, 3741, 8397, 9019, 11223, 13373, 25191, 27057, 33669, 40119, 81171, 101007, 120357, 243513, 361071, 387817, 730539, 1083213, 1163451, 3490353, 10471059, 31413177]

約数ペア:

[(1, 31413177), (3, 10471059), (9, 3490353), (27, 1163451), (29, 1083213), (43, 730539), (81, 387817), (87, 361071), (129, 243513), (261, 120357), (311, 101007), (387, 81171), (783, 40119), (933, 33669), (1161, 27057), (1247, 25191), (2349, 13373), (2799, 11223), (3483, 9019), (3741, 8397)]