7928985

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:717

約数の個数: 32

約数和(自身を含む): 13685760

約数和(自身を除く): 5756775

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 647, 817, 1941, 2451, 3235, 4085, 9705, 12255, 12293, 27821, 36879, 61465, 83463, 139105, 184395, 417315, 528599, 1585797, 2642995, 7928985]

約数ペア:

[(1, 7928985), (3, 2642995), (5, 1585797), (15, 528599), (19, 417315), (43, 184395), (57, 139105), (95, 83463), (129, 61465), (215, 36879), (285, 27821), (645, 12293), (647, 12255), (817, 9705), (1941, 4085), (2451, 3235)]