64752639

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 101108736

約数和(自身を除く): 36356097

約数列:

[1, 3, 7, 21, 71, 137, 213, 317, 411, 497, 951, 959, 1491, 2219, 2877, 6657, 9727, 22507, 29181, 43429, 67521, 68089, 130287, 157549, 204267, 304003, 472647, 912009, 3083459, 9250377, 21584213, 64752639]

約数ペア:

[(1, 64752639), (3, 21584213), (7, 9250377), (21, 3083459), (71, 912009), (137, 472647), (213, 304003), (317, 204267), (411, 157549), (497, 130287), (951, 68089), (959, 67521), (1491, 43429), (2219, 29181), (2877, 22507), (6657, 9727)]