2138895

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 4212000

約数和(自身を除く): 2073105

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 145, 149, 165, 261, 319, 435, 447, 495, 745, 957, 1305, 1341, 1595, 1639, 2235, 2871, 4321, 4785, 4917, 6705, 8195, 12963, 14355, 14751, 21605, 24585, 38889, 47531, 64815, 73755, 142593, 194445, 237655, 427779, 712965, 2138895]

約数ペア:

[(1, 2138895), (3, 712965), (5, 427779), (9, 237655), (11, 194445), (15, 142593), (29, 73755), (33, 64815), (45, 47531), (55, 38889), (87, 24585), (99, 21605), (145, 14751), (149, 14355), (165, 12963), (261, 8195), (319, 6705), (435, 4917), (447, 4785), (495, 4321), (745, 2871), (957, 2235), (1305, 1639), (1341, 1595)]