79951779

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{6287}}^1$

素因数の和:6456

約数の個数: 20

約数和(自身を含む): 120213984

約数和(自身を除く): 40262205

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 6287, 12717, 18861, 56583, 169749, 509247, 987059, 2961177, 8883531, 26650593, 79951779]

約数ペア:

[(1, 79951779), (3, 26650593), (9, 8883531), (27, 2961177), (81, 987059), (157, 509247), (471, 169749), (1413, 56583), (4239, 18861), (6287, 12717)]