42842905

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{7603}}^1$

素因数の和:7645

約数の個数: 24

約数和(自身を含む): 62413632

約数和(自身を除く): 19570727

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 805, 1127, 5635, 7603, 38015, 53221, 174869, 266105, 372547, 874345, 1224083, 1862735, 6120415, 8568581, 42842905]

約数ペア:

[(1, 42842905), (5, 8568581), (7, 6120415), (23, 1862735), (35, 1224083), (49, 874345), (115, 372547), (161, 266105), (245, 174869), (805, 53221), (1127, 38015), (5635, 7603)]