203428545

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{167}}^1\times {\mathrm{281}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 349066368

約数和(自身を除く): 145637823

約数列:

[1, 3, 5, 15, 17, 51, 85, 167, 255, 281, 289, 501, 835, 843, 867, 1405, 1445, 2505, 2839, 4215, 4335, 4777, 8517, 14195, 14331, 23885, 42585, 46927, 48263, 71655, 81209, 140781, 144789, 234635, 241315, 243627, 406045, 703905, 723945, 797759, 1218135, 2393277, 3988795, 11966385, 13561903, 40685709, 67809515, 203428545]

約数ペア:

[(1, 203428545), (3, 67809515), (5, 40685709), (15, 13561903), (17, 11966385), (51, 3988795), (85, 2393277), (167, 1218135), (255, 797759), (281, 723945), (289, 703905), (501, 406045), (835, 243627), (843, 241315), (867, 234635), (1405, 144789), (1445, 140781), (2505, 81209), (2839, 71655), (4215, 48263), (4335, 46927), (4777, 42585), (8517, 23885), (14195, 14331)]