18960075

素因数分解:

$3^5\times 5^2\times {\mathrm{3121}}^1$

素因数の和:3146

約数の個数: 36

約数和(自身を含む): 35228648

約数和(自身を除く): 16268573

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 1215, 2025, 3121, 6075, 9363, 15605, 28089, 46815, 78025, 84267, 140445, 234075, 252801, 421335, 702225, 758403, 1264005, 2106675, 3792015, 6320025, 18960075]

約数ペア:

[(1, 18960075), (3, 6320025), (5, 3792015), (9, 2106675), (15, 1264005), (25, 758403), (27, 702225), (45, 421335), (75, 252801), (81, 234075), (135, 140445), (225, 84267), (243, 78025), (405, 46815), (675, 28089), (1215, 15605), (2025, 9363), (3121, 6075)]