91720161

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 153753600

約数和(自身を除く): 62033439

約数列:

[1, 3, 9, 13, 27, 39, 43, 59, 103, 117, 129, 177, 309, 351, 387, 531, 559, 767, 927, 1161, 1339, 1593, 1677, 2301, 2537, 2781, 4017, 4429, 5031, 6077, 6903, 7611, 12051, 13287, 15093, 18231, 20709, 22833, 32981, 36153, 39861, 54693, 57577, 68499, 79001, 98943, 119583, 164079, 172731, 237003, 261311, 296829, 518193, 711009, 783933, 890487, 1554579, 2133027, 2351799, 3397043, 7055397, 10191129, 30573387, 91720161]

約数ペア:

[(1, 91720161), (3, 30573387), (9, 10191129), (13, 7055397), (27, 3397043), (39, 2351799), (43, 2133027), (59, 1554579), (103, 890487), (117, 783933), (129, 711009), (177, 518193), (309, 296829), (351, 261311), (387, 237003), (531, 172731), (559, 164079), (767, 119583), (927, 98943), (1161, 79001), (1339, 68499), (1593, 57577), (1677, 54693), (2301, 39861), (2537, 36153), (2781, 32981), (4017, 22833), (4429, 20709), (5031, 18231), (6077, 15093), (6903, 13287), (7611, 12051)]