2981385

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 5952960

約数和(自身を除く): 2971575

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 165, 171, 209, 285, 317, 495, 627, 855, 951, 1045, 1585, 1881, 2853, 3135, 3487, 4755, 6023, 9405, 10461, 14265, 17435, 18069, 30115, 31383, 52305, 54207, 66253, 90345, 156915, 198759, 271035, 331265, 596277, 993795, 2981385]

約数ペア:

[(1, 2981385), (3, 993795), (5, 596277), (9, 331265), (11, 271035), (15, 198759), (19, 156915), (33, 90345), (45, 66253), (55, 54207), (57, 52305), (95, 31383), (99, 30115), (165, 18069), (171, 17435), (209, 14265), (285, 10461), (317, 9405), (495, 6023), (627, 4755), (855, 3487), (951, 3135), (1045, 2853), (1585, 1881)]