31187457

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5323}}^1$

素因数の和:5370

約数の個数: 32

約数和(自身を含む): 54517760

約数和(自身を除く): 23330303

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 5323, 5859, 15969, 37261, 47907, 111783, 143721, 165013, 335349, 495039, 1006047, 1155091, 1485117, 3465273, 4455351, 10395819, 31187457]

約数ペア:

[(1, 31187457), (3, 10395819), (7, 4455351), (9, 3465273), (21, 1485117), (27, 1155091), (31, 1006047), (63, 495039), (93, 335349), (189, 165013), (217, 143721), (279, 111783), (651, 47907), (837, 37261), (1953, 15969), (5323, 5859)]