68721735

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{9293}}^1$

素因数の和:9347

約数の個数: 32

約数和(自身を含む): 120450240

約数和(自身を除く): 51728505

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 255, 435, 493, 1479, 2465, 7395, 9293, 27879, 46465, 139395, 157981, 269497, 473943, 789905, 808491, 1347485, 2369715, 4042455, 4581449, 13744347, 22907245, 68721735]

約数ペア:

[(1, 68721735), (3, 22907245), (5, 13744347), (15, 4581449), (17, 4042455), (29, 2369715), (51, 1347485), (85, 808491), (87, 789905), (145, 473943), (255, 269497), (435, 157981), (493, 139395), (1479, 46465), (2465, 27879), (7395, 9293)]