213598845

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{661}}^1$

素因数の和:882

約数の個数: 48

約数和(自身を含む): 381693312

約数和(自身を除く): 168094467

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 167, 215, 387, 501, 645, 661, 835, 1503, 1935, 1983, 2505, 3305, 5949, 7181, 7515, 9915, 21543, 28423, 29745, 35905, 64629, 85269, 107715, 110387, 142115, 255807, 323145, 331161, 426345, 551935, 993483, 1279035, 1655805, 4746641, 4967415, 14239923, 23733205, 42719769, 71199615, 213598845]

約数ペア:

[(1, 213598845), (3, 71199615), (5, 42719769), (9, 23733205), (15, 14239923), (43, 4967415), (45, 4746641), (129, 1655805), (167, 1279035), (215, 993483), (387, 551935), (501, 426345), (645, 331161), (661, 323145), (835, 255807), (1503, 142115), (1935, 110387), (1983, 107715), (2505, 85269), (3305, 64629), (5949, 35905), (7181, 29745), (7515, 28423), (9915, 21543)]