128601981

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{14869}}^1$

素因数の和:14937

約数の個数: 18

約数和(自身を含む): 191956830

約数和(自身を除く): 63354849

約数列:

[1, 3, 9, 31, 93, 279, 961, 2883, 8649, 14869, 44607, 133821, 460939, 1382817, 4148451, 14289109, 42867327, 128601981]

約数ペア:

[(1, 128601981), (3, 42867327), (9, 14289109), (31, 4148451), (93, 1382817), (279, 460939), (961, 133821), (2883, 44607), (8649, 14869)]