16219845

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1381}}^1$

素因数の和:1427

約数の個数: 40

約数和(自身を含む): 30099960

約数和(自身を除く): 13880115

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 783, 1305, 1381, 2349, 3915, 4143, 6905, 11745, 12429, 20715, 37287, 40049, 62145, 111861, 120147, 186435, 200245, 360441, 559305, 600735, 1081323, 1802205, 3243969, 5406615, 16219845]

約数ペア:

[(1, 16219845), (3, 5406615), (5, 3243969), (9, 1802205), (15, 1081323), (27, 600735), (29, 559305), (45, 360441), (81, 200245), (87, 186435), (135, 120147), (145, 111861), (261, 62145), (405, 40049), (435, 37287), (783, 20715), (1305, 12429), (1381, 11745), (2349, 6905), (3915, 4143)]