81015375

素因数分解:

$3^1\times 5^3\times 7^2\times {\mathrm{4409}}^1$

素因数の和:4441

約数の個数: 48

約数和(自身を含む): 156854880

約数和(自身を除く): 75839505

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 125, 147, 175, 245, 375, 525, 735, 875, 1225, 2625, 3675, 4409, 6125, 13227, 18375, 22045, 30863, 66135, 92589, 110225, 154315, 216041, 330675, 462945, 551125, 648123, 771575, 1080205, 1653375, 2314725, 3240615, 3857875, 5401025, 11573625, 16203075, 27005125, 81015375]

約数ペア:

[(1, 81015375), (3, 27005125), (5, 16203075), (7, 11573625), (15, 5401025), (21, 3857875), (25, 3240615), (35, 2314725), (49, 1653375), (75, 1080205), (105, 771575), (125, 648123), (147, 551125), (175, 462945), (245, 330675), (375, 216041), (525, 154315), (735, 110225), (875, 92589), (1225, 66135), (2625, 30863), (3675, 22045), (4409, 18375), (6125, 13227)]