138741561

素因数分解:

$3^2\times 7^1\times {\mathrm{1481}}^1\times {\mathrm{1487}}^1$

素因数の和:2981

約数の個数: 24

約数和(自身を含む): 229342464

約数和(自身を除く): 90600903

約数列:

[1, 3, 7, 9, 21, 63, 1481, 1487, 4443, 4461, 10367, 10409, 13329, 13383, 31101, 31227, 93303, 93681, 2202247, 6606741, 15415729, 19820223, 46247187, 138741561]

約数ペア:

[(1, 138741561), (3, 46247187), (7, 19820223), (9, 15415729), (21, 6606741), (63, 2202247), (1481, 93681), (1487, 93303), (4443, 31227), (4461, 31101), (10367, 13383), (10409, 13329)]