76883985

素因数分解:

$3^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 141696000

約数和(自身を除く): 64812015

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 89, 135, 237, 243, 267, 395, 405, 445, 711, 729, 801, 1185, 1215, 1335, 2133, 2187, 2403, 3555, 3645, 4005, 6399, 7031, 7209, 10665, 10935, 12015, 19197, 21093, 21627, 31995, 35155, 36045, 57591, 63279, 64881, 95985, 105465, 108135, 172773, 189837, 194643, 287955, 316395, 324405, 569511, 863865, 949185, 973215, 1708533, 2847555, 5125599, 8542665, 15376797, 25627995, 76883985]

約数ペア:

[(1, 76883985), (3, 25627995), (5, 15376797), (9, 8542665), (15, 5125599), (27, 2847555), (45, 1708533), (79, 973215), (81, 949185), (89, 863865), (135, 569511), (237, 324405), (243, 316395), (267, 287955), (395, 194643), (405, 189837), (445, 172773), (711, 108135), (729, 105465), (801, 95985), (1185, 64881), (1215, 63279), (1335, 57591), (2133, 36045), (2187, 35155), (2403, 31995), (3555, 21627), (3645, 21093), (4005, 19197), (6399, 12015), (7031, 10935), (7209, 10665)]