81042045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 153162240

約数和(自身を除く): 72120195

約数列:

[1, 3, 5, 7, 15, 21, 35, 73, 97, 105, 109, 219, 291, 327, 365, 485, 511, 545, 679, 763, 1095, 1455, 1533, 1635, 2037, 2289, 2555, 3395, 3815, 7081, 7665, 7957, 10185, 10573, 11445, 21243, 23871, 31719, 35405, 39785, 49567, 52865, 55699, 74011, 106215, 119355, 148701, 158595, 167097, 222033, 247835, 278495, 370055, 743505, 771829, 835485, 1110165, 2315487, 3859145, 5402803, 11577435, 16208409, 27014015, 81042045]

約数ペア:

[(1, 81042045), (3, 27014015), (5, 16208409), (7, 11577435), (15, 5402803), (21, 3859145), (35, 2315487), (73, 1110165), (97, 835485), (105, 771829), (109, 743505), (219, 370055), (291, 278495), (327, 247835), (365, 222033), (485, 167097), (511, 158595), (545, 148701), (679, 119355), (763, 106215), (1095, 74011), (1455, 55699), (1533, 52865), (1635, 49567), (2037, 39785), (2289, 35405), (2555, 31719), (3395, 23871), (3815, 21243), (7081, 11445), (7665, 10573), (7957, 10185)]