40754217

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 64069632

約数和(自身を除く): 23315415

約数列:

[1, 3, 7, 21, 47, 141, 157, 263, 329, 471, 789, 987, 1099, 1841, 3297, 5523, 7379, 12361, 22137, 37083, 41291, 51653, 86527, 123873, 154959, 259581, 289037, 867111, 1940677, 5822031, 13584739, 40754217]

約数ペア:

[(1, 40754217), (3, 13584739), (7, 5822031), (21, 1940677), (47, 867111), (141, 289037), (157, 259581), (263, 154959), (329, 123873), (471, 86527), (789, 51653), (987, 41291), (1099, 37083), (1841, 22137), (3297, 12361), (5523, 7379)]