12815705

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{181}}^1$

素因数の和:234

約数の個数: 36

約数和(自身を含む): 19108908

約数和(自身を除く): 6293203

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 181, 245, 289, 595, 833, 905, 1267, 1445, 2023, 3077, 4165, 6335, 8869, 10115, 14161, 15385, 21539, 44345, 52309, 70805, 107695, 150773, 261545, 366163, 753865, 1830815, 2563141, 12815705]

約数ペア:

[(1, 12815705), (5, 2563141), (7, 1830815), (17, 753865), (35, 366163), (49, 261545), (85, 150773), (119, 107695), (181, 70805), (245, 52309), (289, 44345), (595, 21539), (833, 15385), (905, 14161), (1267, 10115), (1445, 8869), (2023, 6335), (3077, 4165)]