31075299

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:448

約数の個数: 32

約数和(自身を含む): 48046080

約数和(自身を除く): 16970781

約数列:

[1, 3, 9, 27, 31, 93, 137, 271, 279, 411, 813, 837, 1233, 2439, 3699, 4247, 7317, 8401, 12741, 25203, 37127, 38223, 75609, 111381, 114669, 226827, 334143, 1002429, 1150937, 3452811, 10358433, 31075299]

約数ペア:

[(1, 31075299), (3, 10358433), (9, 3452811), (27, 1150937), (31, 1002429), (93, 334143), (137, 226827), (271, 114669), (279, 111381), (411, 75609), (813, 38223), (837, 37127), (1233, 25203), (2439, 12741), (3699, 8401), (4247, 7317)]