39778641

素因数分解:

$3^3\times 7^2\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:411

約数の個数: 48

約数和(自身を含む): 69439680

約数和(自身を除く): 29661039

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 107, 147, 189, 281, 321, 441, 749, 843, 963, 1323, 1967, 2247, 2529, 2889, 5243, 5901, 6741, 7587, 13769, 15729, 17703, 20223, 30067, 41307, 47187, 53109, 90201, 123921, 141561, 210469, 270603, 371763, 631407, 811809, 1473283, 1894221, 4419849, 5682663, 13259547, 39778641]

約数ペア:

[(1, 39778641), (3, 13259547), (7, 5682663), (9, 4419849), (21, 1894221), (27, 1473283), (49, 811809), (63, 631407), (107, 371763), (147, 270603), (189, 210469), (281, 141561), (321, 123921), (441, 90201), (749, 53109), (843, 47187), (963, 41307), (1323, 30067), (1967, 20223), (2247, 17703), (2529, 15729), (2889, 13769), (5243, 7587), (5901, 6741)]