281358

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1$

素因数の和:62

約数の個数: 72

約数和(自身を含む): 800280

約数和(自身を除く): 518922

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 29, 33, 42, 49, 58, 63, 66, 77, 87, 98, 99, 126, 147, 154, 174, 198, 203, 231, 261, 294, 319, 406, 441, 462, 522, 539, 609, 638, 693, 882, 957, 1078, 1218, 1386, 1421, 1617, 1827, 1914, 2233, 2842, 2871, 3234, 3654, 4263, 4466, 4851, 5742, 6699, 8526, 9702, 12789, 13398, 15631, 20097, 25578, 31262, 40194, 46893, 93786, 140679, 281358]

約数ペア:

[(1, 281358), (2, 140679), (3, 93786), (6, 46893), (7, 40194), (9, 31262), (11, 25578), (14, 20097), (18, 15631), (21, 13398), (22, 12789), (29, 9702), (33, 8526), (42, 6699), (49, 5742), (58, 4851), (63, 4466), (66, 4263), (77, 3654), (87, 3234), (98, 2871), (99, 2842), (126, 2233), (147, 1914), (154, 1827), (174, 1617), (198, 1421), (203, 1386), (231, 1218), (261, 1078), (294, 957), (319, 882), (406, 693), (441, 638), (462, 609), (522, 539)]