1299225

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1019}}^1$

素因数の和:1049

約数の個数: 24

約数和(自身を含む): 2276640

約数和(自身を除く): 977415

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1019, 1275, 3057, 5095, 15285, 17323, 25475, 51969, 76425, 86615, 259845, 433075, 1299225]

約数ペア:

[(1, 1299225), (3, 433075), (5, 259845), (15, 86615), (17, 76425), (25, 51969), (51, 25475), (75, 17323), (85, 15285), (255, 5095), (425, 3057), (1019, 1275)]