64809969

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 106509312

約数和(自身を除く): 41699343

約数列:

[1, 3, 7, 19, 21, 57, 83, 103, 133, 249, 309, 361, 399, 581, 721, 1083, 1577, 1743, 1957, 2163, 2527, 4731, 5871, 7581, 8549, 11039, 13699, 25647, 29963, 33117, 37183, 41097, 59843, 89889, 111549, 162431, 179529, 209741, 260281, 487293, 629223, 780843, 1137017, 3086189, 3411051, 9258567, 21603323, 64809969]

約数ペア:

[(1, 64809969), (3, 21603323), (7, 9258567), (19, 3411051), (21, 3086189), (57, 1137017), (83, 780843), (103, 629223), (133, 487293), (249, 260281), (309, 209741), (361, 179529), (399, 162431), (581, 111549), (721, 89889), (1083, 59843), (1577, 41097), (1743, 37183), (1957, 33117), (2163, 29963), (2527, 25647), (4731, 13699), (5871, 11039), (7581, 8549)]