86172021

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 140540400

約数和(自身を除く): 54368379

約数列:

[1, 3, 9, 13, 29, 39, 87, 109, 117, 233, 261, 327, 377, 699, 981, 1131, 1417, 2097, 3029, 3161, 3393, 4251, 6757, 9087, 9483, 12753, 20271, 25397, 27261, 28449, 41093, 60813, 76191, 87841, 123279, 228573, 263523, 330161, 369837, 736513, 790569, 990483, 2209539, 2971449, 6628617, 9574669, 28724007, 86172021]

約数ペア:

[(1, 86172021), (3, 28724007), (9, 9574669), (13, 6628617), (29, 2971449), (39, 2209539), (87, 990483), (109, 790569), (117, 736513), (233, 369837), (261, 330161), (327, 263523), (377, 228573), (699, 123279), (981, 87841), (1131, 76191), (1417, 60813), (2097, 41093), (3029, 28449), (3161, 27261), (3393, 25397), (4251, 20271), (6757, 12753), (9087, 9483)]