15775539

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 24245760

約数和(自身を除く): 8470221

約数列:

[1, 3, 13, 23, 39, 43, 69, 129, 299, 409, 559, 897, 989, 1227, 1677, 2967, 5317, 9407, 12857, 15951, 17587, 28221, 38571, 52761, 122291, 228631, 366873, 404501, 685893, 1213503, 5258513, 15775539]

約数ペア:

[(1, 15775539), (3, 5258513), (13, 1213503), (23, 685893), (39, 404501), (43, 366873), (69, 228631), (129, 122291), (299, 52761), (409, 38571), (559, 28221), (897, 17587), (989, 15951), (1227, 12857), (1677, 9407), (2967, 5317)]