53998515

素因数分解:

$3^3\times 5^1\times {\mathrm{399989}}^1$

素因数の和:400003

約数の個数: 16

約数和(自身を含む): 95997600

約数和(自身を除く): 41999085

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 399989, 1199967, 1999945, 3599901, 5999835, 10799703, 17999505, 53998515]

約数ペア:

[(1, 53998515), (3, 17999505), (5, 10799703), (9, 5999835), (15, 3599901), (27, 1999945), (45, 1199967), (135, 399989)]