208595655

素因数分解:

$3^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2441}}^1$

素因数の和:2669

約数の個数: 40

約数和(自身を含む): 375853104

約数和(自身を除く): 167257449

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 211, 405, 633, 1055, 1899, 2441, 3165, 5697, 7323, 9495, 12205, 17091, 21969, 28485, 36615, 65907, 85455, 109845, 197721, 329535, 515051, 988605, 1545153, 2575255, 4635459, 7725765, 13906377, 23177295, 41719131, 69531885, 208595655]

約数ペア:

[(1, 208595655), (3, 69531885), (5, 41719131), (9, 23177295), (15, 13906377), (27, 7725765), (45, 4635459), (81, 2575255), (135, 1545153), (211, 988605), (405, 515051), (633, 329535), (1055, 197721), (1899, 109845), (2441, 85455), (3165, 65907), (5697, 36615), (7323, 28485), (9495, 21969), (12205, 17091)]