218052015

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{3947}}^1$

素因数の和:4111

約数の個数: 32

約数和(自身を含む): 363847680

約数和(自身を除く): 145795665

約数列:

[1, 3, 5, 15, 29, 87, 127, 145, 381, 435, 635, 1905, 3683, 3947, 11049, 11841, 18415, 19735, 55245, 59205, 114463, 343389, 501269, 572315, 1503807, 1716945, 2506345, 7519035, 14536801, 43610403, 72684005, 218052015]

約数ペア:

[(1, 218052015), (3, 72684005), (5, 43610403), (15, 14536801), (29, 7519035), (87, 2506345), (127, 1716945), (145, 1503807), (381, 572315), (435, 501269), (635, 343389), (1905, 114463), (3683, 59205), (3947, 55245), (11049, 19735), (11841, 18415)]