688006683

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2617}}^1$

素因数の和:2753

約数の個数: 64

約数和(自身を含む): 1266693120

約数和(自身を除く): 578686437

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 107, 117, 189, 273, 321, 351, 749, 819, 963, 1391, 2247, 2457, 2617, 2889, 4173, 6741, 7851, 9737, 12519, 18319, 20223, 23553, 29211, 34021, 37557, 54957, 70659, 87633, 102063, 164871, 238147, 262899, 280019, 306189, 494613, 714441, 840057, 918567, 1960133, 2143323, 2520171, 3640247, 5880399, 6429969, 7560513, 10920741, 17641197, 25481729, 32762223, 52923591, 76445187, 98286669, 229335561, 688006683]

約数ペア:

[(1, 688006683), (3, 229335561), (7, 98286669), (9, 76445187), (13, 52923591), (21, 32762223), (27, 25481729), (39, 17641197), (63, 10920741), (91, 7560513), (107, 6429969), (117, 5880399), (189, 3640247), (273, 2520171), (321, 2143323), (351, 1960133), (749, 918567), (819, 840057), (963, 714441), (1391, 494613), (2247, 306189), (2457, 280019), (2617, 262899), (2889, 238147), (4173, 164871), (6741, 102063), (7851, 87633), (9737, 70659), (12519, 54957), (18319, 37557), (20223, 34021), (23553, 29211)]