21292515495

素因数分解:

$3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{800621}}^1$

素因数の和:800832

約数の個数: 32

約数和(自身を含む): 38045557440

約数和(自身を除く): 16753041945

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 197, 591, 985, 1773, 2955, 5319, 8865, 26595, 800621, 2401863, 4003105, 7205589, 12009315, 21616767, 36027945, 108083835, 157722337, 473167011, 788611685, 1419501033, 2365835055, 4258503099, 7097505165, 21292515495]

約数ペア:

[(1, 21292515495), (3, 7097505165), (5, 4258503099), (9, 2365835055), (15, 1419501033), (27, 788611685), (45, 473167011), (135, 157722337), (197, 108083835), (591, 36027945), (985, 21616767), (1773, 12009315), (2955, 7205589), (5319, 4003105), (8865, 2401863), (26595, 800621)]