28156725117

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{1721}}^1\times {\mathrm{4423}}^1$

素因数の和:6290

約数の個数: 32

約数和(自身を含む): 42052066560

約数和(自身を除く): 13895341443

約数列:

[1, 3, 9, 27, 137, 411, 1233, 1721, 3699, 4423, 5163, 13269, 15489, 39807, 46467, 119421, 235777, 605951, 707331, 1817853, 2121993, 5453559, 6365979, 7611983, 16360677, 22835949, 68507847, 205523541, 1042841671, 3128525013, 9385575039, 28156725117]

約数ペア:

[(1, 28156725117), (3, 9385575039), (9, 3128525013), (27, 1042841671), (137, 205523541), (411, 68507847), (1233, 22835949), (1721, 16360677), (3699, 7611983), (4423, 6365979), (5163, 5453559), (13269, 2121993), (15489, 1817853), (39807, 707331), (46467, 605951), (119421, 235777)]