81339939

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{6203}}^1$

素因数の和:6287

約数の個数: 24

約数和(自身を含む): 123881472

約数和(自身を除く): 42541533

約数列:

[1, 3, 9, 31, 47, 93, 141, 279, 423, 1457, 4371, 6203, 13113, 18609, 55827, 192293, 291541, 576879, 874623, 1730637, 2623869, 9037771, 27113313, 81339939]

約数ペア:

[(1, 81339939), (3, 27113313), (9, 9037771), (31, 2623869), (47, 1730637), (93, 874623), (141, 576879), (279, 291541), (423, 192293), (1457, 55827), (4371, 18609), (6203, 13113)]