80820225

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{8761}}^1$

素因数の和:8818

約数の個数: 36

約数和(自身を含む): 148305612

約数和(自身を除く): 67485387

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 205, 225, 369, 615, 1025, 1845, 3075, 8761, 9225, 26283, 43805, 78849, 131415, 219025, 359201, 394245, 657075, 1077603, 1796005, 1971225, 3232809, 5388015, 8980025, 16164045, 26940075, 80820225]

約数ペア:

[(1, 80820225), (3, 26940075), (5, 16164045), (9, 8980025), (15, 5388015), (25, 3232809), (41, 1971225), (45, 1796005), (75, 1077603), (123, 657075), (205, 394245), (225, 359201), (369, 219025), (615, 131415), (1025, 78849), (1845, 43805), (3075, 26283), (8761, 9225)]