31150329

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{587}}^1$

素因数の和:642

約数の個数: 36

約数和(自身を含む): 51078384

約数和(自身を除く): 19928055

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 361, 399, 587, 931, 1083, 1761, 2527, 2793, 4109, 7581, 11153, 12327, 17689, 28763, 33459, 53067, 78071, 86289, 211907, 234213, 546497, 635721, 1483349, 1639491, 4450047, 10383443, 31150329]

約数ペア:

[(1, 31150329), (3, 10383443), (7, 4450047), (19, 1639491), (21, 1483349), (49, 635721), (57, 546497), (133, 234213), (147, 211907), (361, 86289), (399, 78071), (587, 53067), (931, 33459), (1083, 28763), (1761, 17689), (2527, 12327), (2793, 11153), (4109, 7581)]