40899729

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 61254144

約数和(自身を除く): 20354415

約数列:

[1, 3, 13, 39, 47, 53, 141, 159, 421, 611, 689, 1263, 1833, 2067, 2491, 5473, 7473, 16419, 19787, 22313, 32383, 59361, 66939, 97149, 257231, 290069, 771693, 870207, 1048711, 3146133, 13633243, 40899729]

約数ペア:

[(1, 40899729), (3, 13633243), (13, 3146133), (39, 1048711), (47, 870207), (53, 771693), (141, 290069), (159, 257231), (421, 97149), (611, 66939), (689, 59361), (1263, 32383), (1833, 22313), (2067, 19787), (2491, 16419), (5473, 7473)]