620897985

素因数分解:

$3^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{18979}}^1$

素因数の和:19717

約数の個数: 24

約数和(自身を含む): 1077760320

約数和(自身を除く): 456862335

約数列:

[1, 3, 5, 9, 15, 45, 727, 2181, 3635, 6543, 10905, 18979, 32715, 56937, 94895, 170811, 284685, 854055, 13797733, 41393199, 68988665, 124179597, 206965995, 620897985]

約数ペア:

[(1, 620897985), (3, 206965995), (5, 124179597), (9, 68988665), (15, 41393199), (45, 13797733), (727, 854055), (2181, 284685), (3635, 170811), (6543, 94895), (10905, 56937), (18979, 32715)]