240643455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{64951}}^1$

素因数の和:64991

約数の個数: 32

約数和(自身を含む): 436477440

約数和(自身を除く): 195833985

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 64951, 194853, 324755, 844363, 974265, 1234069, 2533089, 3702207, 4221815, 6170345, 12665445, 16042897, 18511035, 48128691, 80214485, 240643455]

約数ペア:

[(1, 240643455), (3, 80214485), (5, 48128691), (13, 18511035), (15, 16042897), (19, 12665445), (39, 6170345), (57, 4221815), (65, 3702207), (95, 2533089), (195, 1234069), (247, 974265), (285, 844363), (741, 324755), (1235, 194853), (3705, 64951)]