1965870

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{809}}^1$

素因数の和:831

約数の個数: 48

約数和(自身を含む): 5307120

約数和(自身を除く): 3341250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 809, 810, 1215, 1618, 2427, 2430, 4045, 4854, 7281, 8090, 12135, 14562, 21843, 24270, 36405, 43686, 65529, 72810, 109215, 131058, 196587, 218430, 327645, 393174, 655290, 982935, 1965870]

約数ペア:

[(1, 1965870), (2, 982935), (3, 655290), (5, 393174), (6, 327645), (9, 218430), (10, 196587), (15, 131058), (18, 109215), (27, 72810), (30, 65529), (45, 43686), (54, 36405), (81, 24270), (90, 21843), (135, 14562), (162, 12135), (243, 8090), (270, 7281), (405, 4854), (486, 4045), (809, 2430), (810, 2427), (1215, 1618)]