78888921

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{61}}^2\times {\mathrm{191}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 110403072

約数和(自身を除く): 31514151

約数列:

[1, 3, 37, 61, 111, 183, 191, 573, 2257, 3721, 6771, 7067, 11163, 11651, 21201, 34953, 137677, 413031, 431087, 710711, 1293261, 2132133, 26296307, 78888921]

約数ペア:

[(1, 78888921), (3, 26296307), (37, 2132133), (61, 1293261), (111, 710711), (183, 431087), (191, 413031), (573, 137677), (2257, 34953), (3721, 21201), (6771, 11651), (7067, 11163)]