13971945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{523}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 24296832

約数和(自身を除く): 10324887

約数列:

[1, 3, 5, 13, 15, 39, 65, 137, 195, 411, 523, 685, 1569, 1781, 2055, 2615, 5343, 6799, 7845, 8905, 20397, 26715, 33995, 71651, 101985, 214953, 358255, 931463, 1074765, 2794389, 4657315, 13971945]

約数ペア:

[(1, 13971945), (3, 4657315), (5, 2794389), (13, 1074765), (15, 931463), (39, 358255), (65, 214953), (137, 101985), (195, 71651), (411, 33995), (523, 26715), (685, 20397), (1569, 8905), (1781, 7845), (2055, 6799), (2615, 5343)]