257916225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2203}}^1$

素因数の和:2446

約数の個数: 48

約数和(自身を含む): 489746432

約数和(自身を除く): 231830207

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 223, 525, 669, 1115, 1561, 2203, 3345, 4683, 5575, 6609, 7805, 11015, 15421, 16725, 23415, 33045, 39025, 46263, 55075, 77105, 117075, 165225, 231315, 385525, 491269, 1156575, 1473807, 2456345, 3438883, 7369035, 10316649, 12281725, 17194415, 36845175, 51583245, 85972075, 257916225]

約数ペア:

[(1, 257916225), (3, 85972075), (5, 51583245), (7, 36845175), (15, 17194415), (21, 12281725), (25, 10316649), (35, 7369035), (75, 3438883), (105, 2456345), (175, 1473807), (223, 1156575), (525, 491269), (669, 385525), (1115, 231315), (1561, 165225), (2203, 117075), (3345, 77105), (4683, 55075), (5575, 46263), (6609, 39025), (7805, 33045), (11015, 23415), (15421, 16725)]