161979195

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{1879}}^1$

素因数の和:2715

約数の個数: 32

約数和(自身を含む): 296709120

約数和(自身を除く): 134729925

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 821, 1879, 2463, 4105, 5637, 5747, 9395, 12315, 13153, 17241, 28185, 28735, 39459, 65765, 86205, 197295, 1542659, 4627977, 7713295, 10798613, 23139885, 32395839, 53993065, 161979195]

約数ペア:

[(1, 161979195), (3, 53993065), (5, 32395839), (7, 23139885), (15, 10798613), (21, 7713295), (35, 4627977), (105, 1542659), (821, 197295), (1879, 86205), (2463, 65765), (4105, 39459), (5637, 28735), (5747, 28185), (9395, 17241), (12315, 13153)]