2781234

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:235

約数の個数: 48

約数和(自身を含む): 6528600

約数和(自身を除く): 3747366

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 61, 102, 122, 149, 153, 183, 298, 306, 366, 447, 549, 894, 1037, 1098, 1341, 2074, 2533, 2682, 3111, 5066, 6222, 7599, 9089, 9333, 15198, 18178, 18666, 22797, 27267, 45594, 54534, 81801, 154513, 163602, 309026, 463539, 927078, 1390617, 2781234]

約数ペア:

[(1, 2781234), (2, 1390617), (3, 927078), (6, 463539), (9, 309026), (17, 163602), (18, 154513), (34, 81801), (51, 54534), (61, 45594), (102, 27267), (122, 22797), (149, 18666), (153, 18178), (183, 15198), (298, 9333), (306, 9089), (366, 7599), (447, 6222), (549, 5066), (894, 3111), (1037, 2682), (1098, 2533), (1341, 2074)]