69121845

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 132748200

約数和(自身を除く): 63626355

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 61, 65, 117, 149, 169, 183, 195, 305, 447, 507, 549, 585, 745, 793, 845, 915, 1341, 1521, 1937, 2235, 2379, 2535, 2745, 3965, 5811, 6705, 7137, 7605, 9089, 9685, 10309, 11895, 17433, 25181, 27267, 29055, 30927, 35685, 45445, 51545, 75543, 81801, 87165, 92781, 118157, 125905, 136335, 154635, 226629, 354471, 377715, 409005, 463905, 590785, 1063413, 1133145, 1536041, 1772355, 4608123, 5317065, 7680205, 13824369, 23040615, 69121845]

約数ペア:

[(1, 69121845), (3, 23040615), (5, 13824369), (9, 7680205), (13, 5317065), (15, 4608123), (39, 1772355), (45, 1536041), (61, 1133145), (65, 1063413), (117, 590785), (149, 463905), (169, 409005), (183, 377715), (195, 354471), (305, 226629), (447, 154635), (507, 136335), (549, 125905), (585, 118157), (745, 92781), (793, 87165), (845, 81801), (915, 75543), (1341, 51545), (1521, 45445), (1937, 35685), (2235, 30927), (2379, 29055), (2535, 27267), (2745, 25181), (3965, 17433), (5811, 11895), (6705, 10309), (7137, 9685), (7605, 9089)]