64909170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{721213}}^1$

素因数の和:721226

約数の個数: 24

約数和(自身を含む): 168764076

約数和(自身を除く): 103854906

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 721213, 1442426, 2163639, 3606065, 4327278, 6490917, 7212130, 10818195, 12981834, 21636390, 32454585, 64909170]

約数ペア:

[(1, 64909170), (2, 32454585), (3, 21636390), (5, 12981834), (6, 10818195), (9, 7212130), (10, 6490917), (15, 4327278), (18, 3606065), (30, 2163639), (45, 1442426), (90, 721213)]