988891275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{775601}}^1$

素因数の和:775631

約数の個数: 24

約数和(自身を含む): 1731143664

約数和(自身を除く): 742252389

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 775601, 2326803, 3878005, 11634015, 13185217, 19390025, 39555651, 58170075, 65926085, 197778255, 329630425, 988891275]

約数ペア:

[(1, 988891275), (3, 329630425), (5, 197778255), (15, 65926085), (17, 58170075), (25, 39555651), (51, 19390025), (75, 13185217), (85, 11634015), (255, 3878005), (425, 2326803), (1275, 775601)]