123135885

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{601}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 222571440

約数和(自身を除く): 99435555

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 157, 261, 435, 471, 601, 785, 1305, 1413, 1803, 2355, 3005, 4553, 5409, 7065, 9015, 13659, 17429, 22765, 27045, 40977, 52287, 68295, 87145, 94357, 156861, 204885, 261435, 283071, 471785, 784305, 849213, 1415355, 2736353, 4246065, 8209059, 13681765, 24627177, 41045295, 123135885]

約数ペア:

[(1, 123135885), (3, 41045295), (5, 24627177), (9, 13681765), (15, 8209059), (29, 4246065), (45, 2736353), (87, 1415355), (145, 849213), (157, 784305), (261, 471785), (435, 283071), (471, 261435), (601, 204885), (785, 156861), (1305, 94357), (1413, 87145), (1803, 68295), (2355, 52287), (3005, 40977), (4553, 27045), (5409, 22765), (7065, 17429), (9015, 13659)]