2003551551

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{78691}}^1$

素因数の和:78764

約数の個数: 32

約数和(自身を含む): 3172861440

約数和(自身を除く): 1169309889

約数列:

[1, 3, 9, 23, 27, 41, 69, 123, 207, 369, 621, 943, 1107, 2829, 8487, 25461, 78691, 236073, 708219, 1809893, 2124657, 3226331, 5429679, 9678993, 16289037, 29036979, 48867111, 74205613, 87110937, 222616839, 667850517, 2003551551]

約数ペア:

[(1, 2003551551), (3, 667850517), (9, 222616839), (23, 87110937), (27, 74205613), (41, 48867111), (69, 29036979), (123, 16289037), (207, 9678993), (369, 5429679), (621, 3226331), (943, 2124657), (1107, 1809893), (2829, 708219), (8487, 236073), (25461, 78691)]