66210921

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 113817600

約数和(自身を除く): 47606679

約数列:

[1, 3, 7, 9, 21, 47, 59, 63, 141, 177, 329, 379, 413, 423, 531, 987, 1137, 1239, 2653, 2773, 2961, 3411, 3717, 7959, 8319, 17813, 19411, 22361, 23877, 24957, 53439, 58233, 67083, 124691, 156527, 160317, 174699, 201249, 374073, 469581, 1050967, 1122219, 1408743, 3152901, 7356769, 9458703, 22070307, 66210921]

約数ペア:

[(1, 66210921), (3, 22070307), (7, 9458703), (9, 7356769), (21, 3152901), (47, 1408743), (59, 1122219), (63, 1050967), (141, 469581), (177, 374073), (329, 201249), (379, 174699), (413, 160317), (423, 156527), (531, 124691), (987, 67083), (1137, 58233), (1239, 53439), (2653, 24957), (2773, 23877), (2961, 22361), (3411, 19411), (3717, 17813), (7959, 8319)]