28988895

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3163}}^1$

素因数の和:3231

約数の個数: 32

約数和(自身を含む): 51028992

約数和(自身を除く): 22040097

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 141, 195, 235, 611, 705, 1833, 3055, 3163, 9165, 9489, 15815, 41119, 47445, 123357, 148661, 205595, 445983, 616785, 743305, 1932593, 2229915, 5797779, 9662965, 28988895]

約数ペア:

[(1, 28988895), (3, 9662965), (5, 5797779), (13, 2229915), (15, 1932593), (39, 743305), (47, 616785), (65, 445983), (141, 205595), (195, 148661), (235, 123357), (611, 47445), (705, 41119), (1833, 15815), (3055, 9489), (3163, 9165)]