215533251

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{2731}}^1$

素因数の和:2856

約数の個数: 32

約数和(自身を含む): 332211200

約数和(自身を除く): 116677949

約数列:

[1, 3, 9, 27, 37, 79, 111, 237, 333, 711, 999, 2133, 2731, 2923, 8193, 8769, 24579, 26307, 73737, 78921, 101047, 215749, 303141, 647247, 909423, 1941741, 2728269, 5825223, 7982713, 23948139, 71844417, 215533251]

約数ペア:

[(1, 215533251), (3, 71844417), (9, 23948139), (27, 7982713), (37, 5825223), (79, 2728269), (111, 1941741), (237, 909423), (333, 647247), (711, 303141), (999, 215749), (2133, 101047), (2731, 78921), (2923, 73737), (8193, 26307), (8769, 24579)]