131787747

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4349}}^1$

素因数の和:4412

約数の個数: 48

約数和(自身を含む): 240676800

約数和(自身を除く): 108889053

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 63, 91, 111, 117, 259, 273, 333, 481, 777, 819, 1443, 2331, 3367, 4329, 4349, 10101, 13047, 30303, 30443, 39141, 56537, 91329, 160913, 169611, 273987, 395759, 482739, 508833, 1126391, 1187277, 1448217, 2091869, 3379173, 3561831, 6275607, 10137519, 14643083, 18826821, 43929249, 131787747]

約数ペア:

[(1, 131787747), (3, 43929249), (7, 18826821), (9, 14643083), (13, 10137519), (21, 6275607), (37, 3561831), (39, 3379173), (63, 2091869), (91, 1448217), (111, 1187277), (117, 1126391), (259, 508833), (273, 482739), (333, 395759), (481, 273987), (777, 169611), (819, 160913), (1443, 91329), (2331, 56537), (3367, 39141), (4329, 30443), (4349, 30303), (10101, 13047)]