66077921

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:143

約数の個数: 40

約数和(自身を含む): 87055080

約数和(自身を除く): 20977159

約数列:

[1, 7, 13, 29, 49, 73, 91, 203, 343, 377, 511, 637, 949, 1421, 2117, 2401, 2639, 3577, 4459, 6643, 9947, 14819, 18473, 25039, 27521, 31213, 46501, 69629, 103733, 129311, 175273, 192647, 325507, 726131, 905177, 1348529, 2278549, 5082917, 9439703, 66077921]

約数ペア:

[(1, 66077921), (7, 9439703), (13, 5082917), (29, 2278549), (49, 1348529), (73, 905177), (91, 726131), (203, 325507), (343, 192647), (377, 175273), (511, 129311), (637, 103733), (949, 69629), (1421, 46501), (2117, 31213), (2401, 27521), (2639, 25039), (3577, 18473), (4459, 14819), (6643, 9947)]