222768975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20771}}^1$

素因数の和:20808

約数の個数: 48

約数和(自身を含む): 432722304

約数和(自身を除く): 209953329

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 195, 275, 325, 429, 715, 825, 975, 2145, 3575, 10725, 20771, 62313, 103855, 228481, 270023, 311565, 519275, 685443, 810069, 1142405, 1350115, 1557825, 2970253, 3427215, 4050345, 5712025, 6750575, 8910759, 14851265, 17136075, 20251725, 44553795, 74256325, 222768975]

約数ペア:

[(1, 222768975), (3, 74256325), (5, 44553795), (11, 20251725), (13, 17136075), (15, 14851265), (25, 8910759), (33, 6750575), (39, 5712025), (55, 4050345), (65, 3427215), (75, 2970253), (143, 1557825), (165, 1350115), (195, 1142405), (275, 810069), (325, 685443), (429, 519275), (715, 311565), (825, 270023), (975, 228481), (2145, 103855), (3575, 62313), (10725, 20771)]