28731969

素因数分解:

$3^3\times 7^1\times {\mathrm{281}}^1\times {\mathrm{541}}^1$

素因数の和:838

約数の個数: 32

約数和(自身を含む): 48910080

約数和(自身を除く): 20178111

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 281, 541, 843, 1623, 1967, 2529, 3787, 4869, 5901, 7587, 11361, 14607, 17703, 34083, 53109, 102249, 152021, 456063, 1064147, 1368189, 3192441, 4104567, 9577323, 28731969]

約数ペア:

[(1, 28731969), (3, 9577323), (7, 4104567), (9, 3192441), (21, 1368189), (27, 1064147), (63, 456063), (189, 152021), (281, 102249), (541, 53109), (843, 34083), (1623, 17703), (1967, 14607), (2529, 11361), (3787, 7587), (4869, 5901)]