202181889

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{439}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 339884160

約数和(自身を除く): 137702271

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 241, 273, 439, 637, 723, 1317, 1687, 1911, 3073, 3133, 5061, 5707, 9219, 9399, 11809, 17121, 21511, 21931, 35427, 39949, 64533, 65793, 105799, 119847, 153517, 279643, 317397, 460551, 740593, 838929, 1375387, 2221779, 4126161, 5184151, 9627709, 15552453, 28883127, 67393963, 202181889]

約数ペア:

[(1, 202181889), (3, 67393963), (7, 28883127), (13, 15552453), (21, 9627709), (39, 5184151), (49, 4126161), (91, 2221779), (147, 1375387), (241, 838929), (273, 740593), (439, 460551), (637, 317397), (723, 279643), (1317, 153517), (1687, 119847), (1911, 105799), (3073, 65793), (3133, 64533), (5061, 39949), (5707, 35427), (9219, 21931), (9399, 21511), (11809, 17121)]