204851205

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1453}}^1$

素因数の和:1718

約数の個数: 48

約数和(自身を含む): 384239856

約数和(自身を除く): 179388651

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 241, 585, 723, 1205, 1453, 2169, 3133, 3615, 4359, 7265, 9399, 10845, 13077, 15665, 18889, 21795, 28197, 46995, 56667, 65385, 94445, 140985, 170001, 283335, 350173, 850005, 1050519, 1750865, 3151557, 4552249, 5252595, 13656747, 15757785, 22761245, 40970241, 68283735, 204851205]

約数ペア:

[(1, 204851205), (3, 68283735), (5, 40970241), (9, 22761245), (13, 15757785), (15, 13656747), (39, 5252595), (45, 4552249), (65, 3151557), (117, 1750865), (195, 1050519), (241, 850005), (585, 350173), (723, 283335), (1205, 170001), (1453, 140985), (2169, 94445), (3133, 65385), (3615, 56667), (4359, 46995), (7265, 28197), (9399, 21795), (10845, 18889), (13077, 15665)]