208039185

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17713}}^1$

素因数の和:17759

約数の個数: 40

約数和(自身を含む): 385810920

約数和(自身を除く): 177771735

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 783, 1305, 2349, 3915, 11745, 17713, 53139, 88565, 159417, 265695, 478251, 513677, 797085, 1434753, 1541031, 2391255, 2568385, 4623093, 7173765, 7705155, 13869279, 23115465, 41607837, 69346395, 208039185]

約数ペア:

[(1, 208039185), (3, 69346395), (5, 41607837), (9, 23115465), (15, 13869279), (27, 7705155), (29, 7173765), (45, 4623093), (81, 2568385), (87, 2391255), (135, 1541031), (145, 1434753), (261, 797085), (405, 513677), (435, 478251), (783, 265695), (1305, 159417), (2349, 88565), (3915, 53139), (11745, 17713)]