28372131

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{439}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 42282240

約数和(自身を除く): 13910109

約数列:

[1, 3, 9, 43, 129, 167, 387, 439, 501, 1317, 1503, 3951, 7181, 18877, 21543, 56631, 64629, 73313, 169893, 219939, 659817, 3152459, 9457377, 28372131]

約数ペア:

[(1, 28372131), (3, 9457377), (9, 3152459), (43, 659817), (129, 219939), (167, 169893), (387, 73313), (439, 64629), (501, 56631), (1317, 21543), (1503, 18877), (3951, 7181)]