208786305

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{21851}}^1$

素因数の和:21886

約数の個数: 48

約数和(自身を含む): 418509504

約数和(自身を除く): 209723199

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 455, 637, 735, 1365, 1911, 3185, 9555, 21851, 65553, 109255, 152957, 284063, 327765, 458871, 764785, 852189, 1070699, 1420315, 1988441, 2294355, 3212097, 4260945, 5353495, 5965323, 9942205, 13919087, 16060485, 29826615, 41757261, 69595435, 208786305]

約数ペア:

[(1, 208786305), (3, 69595435), (5, 41757261), (7, 29826615), (13, 16060485), (15, 13919087), (21, 9942205), (35, 5965323), (39, 5353495), (49, 4260945), (65, 3212097), (91, 2294355), (105, 1988441), (147, 1420315), (195, 1070699), (245, 852189), (273, 764785), (455, 458871), (637, 327765), (735, 284063), (1365, 152957), (1911, 109255), (3185, 65553), (9555, 21851)]