1981035

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 4143360

約数和(自身を除く): 2162325

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 331, 399, 665, 855, 993, 1197, 1655, 1995, 2317, 2979, 4965, 5985, 6289, 6951, 11585, 14895, 18867, 20853, 31445, 34755, 44023, 56601, 94335, 104265, 132069, 220115, 283005, 396207, 660345, 1981035]

約数ペア:

[(1, 1981035), (3, 660345), (5, 396207), (7, 283005), (9, 220115), (15, 132069), (19, 104265), (21, 94335), (35, 56601), (45, 44023), (57, 34755), (63, 31445), (95, 20853), (105, 18867), (133, 14895), (171, 11585), (285, 6951), (315, 6289), (331, 5985), (399, 4965), (665, 2979), (855, 2317), (993, 1995), (1197, 1655)]