245702007

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{547}}^1\times {\mathrm{1721}}^1$

素因数の和:2303

約数の個数: 24

約数和(自身を含む): 368025840

約数和(自身を除く): 122323833

約数列:

[1, 3, 9, 29, 87, 261, 547, 1641, 1721, 4923, 5163, 15489, 15863, 47589, 49909, 142767, 149727, 449181, 941387, 2824161, 8472483, 27300223, 81900669, 245702007]

約数ペア:

[(1, 245702007), (3, 81900669), (9, 27300223), (29, 8472483), (87, 2824161), (261, 941387), (547, 449181), (1641, 149727), (1721, 142767), (4923, 49909), (5163, 47589), (15489, 15863)]