201978

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{229}}^1$

素因数の和:251

約数の個数: 36

約数和(自身を含む): 511290

約数和(自身を除く): 309312

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 229, 294, 441, 458, 687, 882, 1374, 1603, 2061, 3206, 4122, 4809, 9618, 11221, 14427, 22442, 28854, 33663, 67326, 100989, 201978]

約数ペア:

[(1, 201978), (2, 100989), (3, 67326), (6, 33663), (7, 28854), (9, 22442), (14, 14427), (18, 11221), (21, 9618), (42, 4809), (49, 4122), (63, 3206), (98, 2061), (126, 1603), (147, 1374), (229, 882), (294, 687), (441, 458)]