1880505

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 3706560

約数和(自身を除く): 1826055

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 131, 145, 165, 261, 319, 393, 435, 495, 655, 957, 1179, 1305, 1441, 1595, 1965, 2871, 3799, 4323, 4785, 5895, 7205, 11397, 12969, 14355, 18995, 21615, 34191, 41789, 56985, 64845, 125367, 170955, 208945, 376101, 626835, 1880505]

約数ペア:

[(1, 1880505), (3, 626835), (5, 376101), (9, 208945), (11, 170955), (15, 125367), (29, 64845), (33, 56985), (45, 41789), (55, 34191), (87, 21615), (99, 18995), (131, 14355), (145, 12969), (165, 11397), (261, 7205), (319, 5895), (393, 4785), (435, 4323), (495, 3799), (655, 2871), (957, 1965), (1179, 1595), (1305, 1441)]