388445445

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{1949}}^1$

素因数の和:2106

約数の個数: 48

約数和(自身を含む): 696009600

約数和(自身を除く): 307564155

約数列:

[1, 3, 5, 9, 15, 43, 45, 103, 129, 215, 309, 387, 515, 645, 927, 1545, 1935, 1949, 4429, 4635, 5847, 9745, 13287, 17541, 22145, 29235, 39861, 66435, 83807, 87705, 199305, 200747, 251421, 419035, 602241, 754263, 1003735, 1257105, 1806723, 3011205, 3771315, 8632121, 9033615, 25896363, 43160605, 77689089, 129481815, 388445445]

約数ペア:

[(1, 388445445), (3, 129481815), (5, 77689089), (9, 43160605), (15, 25896363), (43, 9033615), (45, 8632121), (103, 3771315), (129, 3011205), (215, 1806723), (309, 1257105), (387, 1003735), (515, 754263), (645, 602241), (927, 419035), (1545, 251421), (1935, 200747), (1949, 199305), (4429, 87705), (4635, 83807), (5847, 66435), (9745, 39861), (13287, 29235), (17541, 22145)]