68844195

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{277}}^1$

素因数の和:561

約数の個数: 64

約数和(自身を含む): 140912640

約数和(自身を除く): 72068445

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 263, 277, 315, 789, 831, 945, 1315, 1385, 1841, 1939, 2367, 2493, 3945, 4155, 5523, 5817, 7101, 7479, 9205, 9695, 11835, 12465, 16569, 17451, 27615, 29085, 35505, 37395, 49707, 52353, 72851, 82845, 87255, 218553, 248535, 261765, 364255, 509957, 655659, 1092765, 1529871, 1966977, 2549785, 3278295, 4589613, 7649355, 9834885, 13768839, 22948065, 68844195]

約数ペア:

[(1, 68844195), (3, 22948065), (5, 13768839), (7, 9834885), (9, 7649355), (15, 4589613), (21, 3278295), (27, 2549785), (35, 1966977), (45, 1529871), (63, 1092765), (105, 655659), (135, 509957), (189, 364255), (263, 261765), (277, 248535), (315, 218553), (789, 87255), (831, 82845), (945, 72851), (1315, 52353), (1385, 49707), (1841, 37395), (1939, 35505), (2367, 29085), (2493, 27615), (3945, 17451), (4155, 16569), (5523, 12465), (5817, 11835), (7101, 9695), (7479, 9205)]