105815905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 149776704

約数和(自身を除く): 43960799

約数列:

[1, 5, 13, 17, 43, 65, 85, 131, 215, 221, 289, 559, 655, 731, 1105, 1445, 1703, 2227, 2795, 3655, 3757, 5633, 8515, 9503, 11135, 12427, 18785, 28165, 28951, 37859, 47515, 62135, 73229, 95761, 144755, 161551, 189295, 366145, 478805, 492167, 807755, 1244893, 1627937, 2460835, 6224465, 8139685, 21163181, 105815905]

約数ペア:

[(1, 105815905), (5, 21163181), (13, 8139685), (17, 6224465), (43, 2460835), (65, 1627937), (85, 1244893), (131, 807755), (215, 492167), (221, 478805), (289, 366145), (559, 189295), (655, 161551), (731, 144755), (1105, 95761), (1445, 73229), (1703, 62135), (2227, 47515), (2795, 37859), (3655, 28951), (3757, 28165), (5633, 18785), (8515, 12427), (9503, 11135)]