72991125

素因数分解:

$3^8\times 5^3\times {\mathrm{89}}^1$

素因数の和:128

約数の個数: 72

約数和(自身を含む): 138167640

約数和(自身を除く): 65176515

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 89, 125, 135, 225, 243, 267, 375, 405, 445, 675, 729, 801, 1125, 1215, 1335, 2025, 2187, 2225, 2403, 3375, 3645, 4005, 6075, 6561, 6675, 7209, 10125, 10935, 11125, 12015, 18225, 20025, 21627, 30375, 32805, 33375, 36045, 54675, 60075, 64881, 91125, 100125, 108135, 164025, 180225, 194643, 273375, 300375, 324405, 540675, 583929, 820125, 901125, 973215, 1622025, 2703375, 2919645, 4866075, 8110125, 14598225, 24330375, 72991125]

約数ペア:

[(1, 72991125), (3, 24330375), (5, 14598225), (9, 8110125), (15, 4866075), (25, 2919645), (27, 2703375), (45, 1622025), (75, 973215), (81, 901125), (89, 820125), (125, 583929), (135, 540675), (225, 324405), (243, 300375), (267, 273375), (375, 194643), (405, 180225), (445, 164025), (675, 108135), (729, 100125), (801, 91125), (1125, 64881), (1215, 60075), (1335, 54675), (2025, 36045), (2187, 33375), (2225, 32805), (2403, 30375), (3375, 21627), (3645, 20025), (4005, 18225), (6075, 12015), (6561, 11125), (6675, 10935), (7209, 10125)]