78221775

素因数分解:

$3^1\times 5^2\times {\mathrm{151}}^1\times {\mathrm{6907}}^1$

素因数の和:7071

約数の個数: 24

約数和(自身を含む): 130201984

約数和(自身を除く): 51980209

約数列:

[1, 3, 5, 15, 25, 75, 151, 453, 755, 2265, 3775, 6907, 11325, 20721, 34535, 103605, 172675, 518025, 1042957, 3128871, 5214785, 15644355, 26073925, 78221775]

約数ペア:

[(1, 78221775), (3, 26073925), (5, 15644355), (15, 5214785), (25, 3128871), (75, 1042957), (151, 518025), (453, 172675), (755, 103605), (2265, 34535), (3775, 20721), (6907, 11325)]