85879215

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 154496160

約数和(自身を除く): 68616945

約数列:

[1, 3, 5, 9, 15, 41, 45, 89, 123, 205, 267, 369, 445, 523, 615, 801, 1335, 1569, 1845, 2615, 3649, 4005, 4707, 7845, 10947, 18245, 21443, 23535, 32841, 46547, 54735, 64329, 107215, 139641, 164205, 192987, 232735, 321645, 418923, 698205, 964935, 1908427, 2094615, 5725281, 9542135, 17175843, 28626405, 85879215]

約数ペア:

[(1, 85879215), (3, 28626405), (5, 17175843), (9, 9542135), (15, 5725281), (41, 2094615), (45, 1908427), (89, 964935), (123, 698205), (205, 418923), (267, 321645), (369, 232735), (445, 192987), (523, 164205), (615, 139641), (801, 107215), (1335, 64329), (1569, 54735), (1845, 46547), (2615, 32841), (3649, 23535), (4005, 21443), (4707, 18245), (7845, 10947)]