31939005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{617}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 64074240

約数和(自身を除く): 32135235

約数列:

[1, 3, 5, 7, 15, 17, 21, 29, 35, 51, 85, 87, 105, 119, 145, 203, 255, 357, 435, 493, 595, 609, 617, 1015, 1479, 1785, 1851, 2465, 3045, 3085, 3451, 4319, 7395, 9255, 10353, 10489, 12957, 17255, 17893, 21595, 31467, 51765, 52445, 53679, 64785, 73423, 89465, 125251, 157335, 220269, 268395, 304181, 367115, 375753, 626255, 912543, 1101345, 1520905, 1878765, 2129267, 4562715, 6387801, 10646335, 31939005]

約数ペア:

[(1, 31939005), (3, 10646335), (5, 6387801), (7, 4562715), (15, 2129267), (17, 1878765), (21, 1520905), (29, 1101345), (35, 912543), (51, 626255), (85, 375753), (87, 367115), (105, 304181), (119, 268395), (145, 220269), (203, 157335), (255, 125251), (357, 89465), (435, 73423), (493, 64785), (595, 53679), (609, 52445), (617, 51765), (1015, 31467), (1479, 21595), (1785, 17893), (1851, 17255), (2465, 12957), (3045, 10489), (3085, 10353), (3451, 9255), (4319, 7395)]