87991125

素因数分解:

$3^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 154103040

約数和(自身を除く): 66111915

約数列:

[1, 3, 5, 15, 25, 41, 59, 75, 97, 123, 125, 177, 205, 291, 295, 375, 485, 615, 885, 1025, 1455, 1475, 2419, 2425, 3075, 3977, 4425, 5125, 5723, 7257, 7275, 7375, 11931, 12095, 12125, 15375, 17169, 19885, 22125, 28615, 36285, 36375, 59655, 60475, 85845, 99425, 143075, 181425, 234643, 298275, 302375, 429225, 497125, 703929, 715375, 907125, 1173215, 1491375, 2146125, 3519645, 5866075, 17598225, 29330375, 87991125]

約数ペア:

[(1, 87991125), (3, 29330375), (5, 17598225), (15, 5866075), (25, 3519645), (41, 2146125), (59, 1491375), (75, 1173215), (97, 907125), (123, 715375), (125, 703929), (177, 497125), (205, 429225), (291, 302375), (295, 298275), (375, 234643), (485, 181425), (615, 143075), (885, 99425), (1025, 85845), (1455, 60475), (1475, 59655), (2419, 36375), (2425, 36285), (3075, 28615), (3977, 22125), (4425, 19885), (5125, 17169), (5723, 15375), (7257, 12125), (7275, 12095), (7375, 11931)]