81000144

素因数分解:

$2^4\times 3^2\times {\mathrm{562501}}^1$

素因数の和:562515

約数の個数: 30

約数和(自身を含む): 226688306

約数和(自身を除く): 145688162

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 562501, 1125002, 1687503, 2250004, 3375006, 4500008, 5062509, 6750012, 9000016, 10125018, 13500024, 20250036, 27000048, 40500072, 81000144]

約数ペア:

[(1, 81000144), (2, 40500072), (3, 27000048), (4, 20250036), (6, 13500024), (8, 10125018), (9, 9000016), (12, 6750012), (16, 5062509), (18, 4500008), (24, 3375006), (36, 2250004), (48, 1687503), (72, 1125002), (144, 562501)]