220903305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{12907}}^1$

素因数の和:13085

約数の個数: 32

約数和(自身を含む): 406447104

約数和(自身を除く): 185543799

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 163, 489, 815, 1141, 2445, 3423, 5705, 12907, 17115, 38721, 64535, 90349, 193605, 271047, 451745, 1355235, 2103841, 6311523, 10519205, 14726887, 31557615, 44180661, 73634435, 220903305]

約数ペア:

[(1, 220903305), (3, 73634435), (5, 44180661), (7, 31557615), (15, 14726887), (21, 10519205), (35, 6311523), (105, 2103841), (163, 1355235), (489, 451745), (815, 271047), (1141, 193605), (2445, 90349), (3423, 64535), (5705, 38721), (12907, 17115)]