206512215

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{21613}}^1$

素因数の和:21648

約数の個数: 48

約数和(自身を含む): 413951328

約数和(自身を除く): 207439113

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 455, 637, 735, 1365, 1911, 3185, 9555, 21613, 64839, 108065, 151291, 280969, 324195, 453873, 756455, 842907, 1059037, 1404845, 1966783, 2269365, 3177111, 4214535, 5295185, 5900349, 9833915, 13767481, 15885555, 29501745, 41302443, 68837405, 206512215]

約数ペア:

[(1, 206512215), (3, 68837405), (5, 41302443), (7, 29501745), (13, 15885555), (15, 13767481), (21, 9833915), (35, 5900349), (39, 5295185), (49, 4214535), (65, 3177111), (91, 2269365), (105, 1966783), (147, 1404845), (195, 1059037), (245, 842907), (273, 756455), (455, 453873), (637, 324195), (735, 280969), (1365, 151291), (1911, 108065), (3185, 64839), (9555, 21613)]