87981255

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21023}}^1$

素因数の和:21068

約数の個数: 32

約数和(自身を含む): 161464320

約数和(自身を除く): 73483065

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 21023, 63069, 105115, 189207, 315345, 567621, 651713, 946035, 1955139, 2838105, 3258565, 5865417, 9775695, 17596251, 29327085, 87981255]

約数ペア:

[(1, 87981255), (3, 29327085), (5, 17596251), (9, 9775695), (15, 5865417), (27, 3258565), (31, 2838105), (45, 1955139), (93, 946035), (135, 651713), (155, 567621), (279, 315345), (465, 189207), (837, 105115), (1395, 63069), (4185, 21023)]