1991232333

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 2997933120

約数和(自身を除く): 1006700787

約数列:

[1, 3, 9, 61, 83, 89, 183, 249, 267, 491, 549, 747, 801, 1473, 4419, 5063, 5429, 7387, 15189, 16287, 22161, 29951, 40753, 43699, 45567, 48861, 66483, 89853, 122259, 131097, 269559, 366777, 393291, 450607, 1351821, 2485933, 2665639, 3627017, 4055463, 7457799, 7996917, 10881051, 22373397, 23990751, 32643153, 221248037, 663744111, 1991232333]

約数ペア:

[(1, 1991232333), (3, 663744111), (9, 221248037), (61, 32643153), (83, 23990751), (89, 22373397), (183, 10881051), (249, 7996917), (267, 7457799), (491, 4055463), (549, 3627017), (747, 2665639), (801, 2485933), (1473, 1351821), (4419, 450607), (5063, 393291), (5429, 366777), (7387, 269559), (15189, 131097), (16287, 122259), (22161, 89853), (29951, 66483), (40753, 48861), (43699, 45567)]