81893025

素因数分解:

$3^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1093}}^1$

素因数の和:1152

約数の個数: 60

約数和(自身を含む): 155936572

約数和(自身を除く): 74043547

約数列:

[1, 3, 5, 9, 15, 25, 27, 37, 45, 75, 81, 111, 135, 185, 225, 333, 405, 555, 675, 925, 999, 1093, 1665, 2025, 2775, 2997, 3279, 4995, 5465, 8325, 9837, 14985, 16395, 24975, 27325, 29511, 40441, 49185, 74925, 81975, 88533, 121323, 147555, 202205, 245925, 363969, 442665, 606615, 737775, 1011025, 1091907, 1819845, 2213325, 3033075, 3275721, 5459535, 9099225, 16378605, 27297675, 81893025]

約数ペア:

[(1, 81893025), (3, 27297675), (5, 16378605), (9, 9099225), (15, 5459535), (25, 3275721), (27, 3033075), (37, 2213325), (45, 1819845), (75, 1091907), (81, 1011025), (111, 737775), (135, 606615), (185, 442665), (225, 363969), (333, 245925), (405, 202205), (555, 147555), (675, 121323), (925, 88533), (999, 81975), (1093, 74925), (1665, 49185), (2025, 40441), (2775, 29511), (2997, 27325), (3279, 24975), (4995, 16395), (5465, 14985), (8325, 9837)]