72981375

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{10243}}^1$

素因数の和:10280

約数の個数: 32

約数和(自身を含む): 127845120

約数和(自身を除く): 54863745

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 375, 475, 1425, 2375, 7125, 10243, 30729, 51215, 153645, 194617, 256075, 583851, 768225, 973085, 1280375, 2919255, 3841125, 4865425, 14596275, 24327125, 72981375]

約数ペア:

[(1, 72981375), (3, 24327125), (5, 14596275), (15, 4865425), (19, 3841125), (25, 2919255), (57, 1280375), (75, 973085), (95, 768225), (125, 583851), (285, 256075), (375, 194617), (475, 153645), (1425, 51215), (2375, 30729), (7125, 10243)]