31608927

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 56832000

約数和(自身を除く): 25223073

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 73, 79, 87, 189, 203, 219, 237, 261, 511, 553, 609, 657, 711, 783, 1533, 1659, 1827, 1971, 2117, 2133, 2291, 4599, 4977, 5481, 5767, 6351, 6873, 13797, 14819, 14931, 16037, 17301, 19053, 20619, 40369, 44457, 48111, 51903, 57159, 61857, 121107, 133371, 144333, 155709, 167243, 363321, 400113, 432999, 501729, 1089963, 1170701, 1505187, 3512103, 4515561, 10536309, 31608927]

約数ペア:

[(1, 31608927), (3, 10536309), (7, 4515561), (9, 3512103), (21, 1505187), (27, 1170701), (29, 1089963), (63, 501729), (73, 432999), (79, 400113), (87, 363321), (189, 167243), (203, 155709), (219, 144333), (237, 133371), (261, 121107), (511, 61857), (553, 57159), (609, 51903), (657, 48111), (711, 44457), (783, 40369), (1533, 20619), (1659, 19053), (1827, 17301), (1971, 16037), (2117, 14931), (2133, 14819), (2291, 13797), (4599, 6873), (4977, 6351), (5481, 5767)]