1387935

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:189

約数の個数: 40

約数和(自身を含む): 2613600

約数和(自身を除く): 1225665

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 149, 207, 345, 405, 447, 621, 745, 1035, 1341, 1863, 2235, 3105, 3427, 4023, 6705, 9315, 10281, 12069, 17135, 20115, 30843, 51405, 60345, 92529, 154215, 277587, 462645, 1387935]

約数ペア:

[(1, 1387935), (3, 462645), (5, 277587), (9, 154215), (15, 92529), (23, 60345), (27, 51405), (45, 30843), (69, 20115), (81, 17135), (115, 12069), (135, 10281), (149, 9315), (207, 6705), (345, 4023), (405, 3427), (447, 3105), (621, 2235), (745, 1863), (1035, 1341)]