90051555

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 167132160

約数和(自身を除く): 77080605

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 61, 69, 115, 165, 183, 253, 305, 345, 389, 671, 759, 915, 1167, 1265, 1403, 1945, 2013, 3355, 3795, 4209, 4279, 5835, 7015, 8947, 10065, 12837, 15433, 21045, 21395, 23729, 26841, 44735, 46299, 64185, 71187, 77165, 98417, 118645, 134205, 231495, 261019, 295251, 355935, 492085, 545767, 783057, 1305095, 1476255, 1637301, 2728835, 3915285, 6003437, 8186505, 18010311, 30017185, 90051555]

約数ペア:

[(1, 90051555), (3, 30017185), (5, 18010311), (11, 8186505), (15, 6003437), (23, 3915285), (33, 2728835), (55, 1637301), (61, 1476255), (69, 1305095), (115, 783057), (165, 545767), (183, 492085), (253, 355935), (305, 295251), (345, 261019), (389, 231495), (671, 134205), (759, 118645), (915, 98417), (1167, 77165), (1265, 71187), (1403, 64185), (1945, 46299), (2013, 44735), (3355, 26841), (3795, 23729), (4209, 21395), (4279, 21045), (5835, 15433), (7015, 12837), (8947, 10065)]