11851875

素因数分解:

$3^2\times 5^4\times 7^2\times {\mathrm{43}}^1$

素因数の和:83

約数の個数: 90

約数和(自身を含む): 25463724

約数和(自身を除く): 13611849

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 43, 45, 49, 63, 75, 105, 125, 129, 147, 175, 215, 225, 245, 301, 315, 375, 387, 441, 525, 625, 645, 735, 875, 903, 1075, 1125, 1225, 1505, 1575, 1875, 1935, 2107, 2205, 2625, 2709, 3225, 3675, 4375, 4515, 5375, 5625, 6125, 6321, 7525, 7875, 9675, 10535, 11025, 13125, 13545, 16125, 18375, 18963, 22575, 26875, 30625, 31605, 37625, 39375, 48375, 52675, 55125, 67725, 80625, 91875, 94815, 112875, 158025, 188125, 241875, 263375, 275625, 338625, 474075, 564375, 790125, 1316875, 1693125, 2370375, 3950625, 11851875]

約数ペア:

[(1, 11851875), (3, 3950625), (5, 2370375), (7, 1693125), (9, 1316875), (15, 790125), (21, 564375), (25, 474075), (35, 338625), (43, 275625), (45, 263375), (49, 241875), (63, 188125), (75, 158025), (105, 112875), (125, 94815), (129, 91875), (147, 80625), (175, 67725), (215, 55125), (225, 52675), (245, 48375), (301, 39375), (315, 37625), (375, 31605), (387, 30625), (441, 26875), (525, 22575), (625, 18963), (645, 18375), (735, 16125), (875, 13545), (903, 13125), (1075, 11025), (1125, 10535), (1225, 9675), (1505, 7875), (1575, 7525), (1875, 6321), (1935, 6125), (2107, 5625), (2205, 5375), (2625, 4515), (2709, 4375), (3225, 3675)]