67217661

素因数分解:

$3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^2$

素因数の和:140

約数の個数: 72

約数和(自身を含む): 123503040

約数和(自身を除く): 56285379

約数列:

[1, 3, 7, 9, 21, 23, 27, 47, 49, 63, 69, 141, 147, 161, 189, 207, 329, 423, 441, 483, 621, 987, 1081, 1127, 1269, 1323, 1449, 2209, 2303, 2961, 3243, 3381, 4347, 6627, 6909, 7567, 8883, 9729, 10143, 15463, 19881, 20727, 22701, 29187, 30429, 46389, 50807, 52969, 59643, 62181, 68103, 108241, 139167, 152421, 158907, 204309, 324723, 355649, 417501, 457263, 476721, 974169, 1066947, 1371789, 1430163, 2489543, 2922507, 3200841, 7468629, 9602523, 22405887, 67217661]

約数ペア:

[(1, 67217661), (3, 22405887), (7, 9602523), (9, 7468629), (21, 3200841), (23, 2922507), (27, 2489543), (47, 1430163), (49, 1371789), (63, 1066947), (69, 974169), (141, 476721), (147, 457263), (161, 417501), (189, 355649), (207, 324723), (329, 204309), (423, 158907), (441, 152421), (483, 139167), (621, 108241), (987, 68103), (1081, 62181), (1127, 59643), (1269, 52969), (1323, 50807), (1449, 46389), (2209, 30429), (2303, 29187), (2961, 22701), (3243, 20727), (3381, 19881), (4347, 15463), (6627, 10143), (6909, 9729), (7567, 8883)]