205144443

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1847}}^1$

素因数の和:1944

約数の個数: 48

約数和(自身を含む): 355170816

約数和(自身を除く): 150026373

約数列:

[1, 3, 7, 9, 21, 41, 43, 63, 123, 129, 287, 301, 369, 387, 861, 903, 1763, 1847, 2583, 2709, 5289, 5541, 12341, 12929, 15867, 16623, 37023, 38787, 75727, 79421, 111069, 116361, 227181, 238263, 530089, 555947, 681543, 714789, 1590267, 1667841, 3256261, 4770801, 5003523, 9768783, 22793827, 29306349, 68381481, 205144443]

約数ペア:

[(1, 205144443), (3, 68381481), (7, 29306349), (9, 22793827), (21, 9768783), (41, 5003523), (43, 4770801), (63, 3256261), (123, 1667841), (129, 1590267), (287, 714789), (301, 681543), (369, 555947), (387, 530089), (861, 238263), (903, 227181), (1763, 116361), (1847, 111069), (2583, 79421), (2709, 75727), (5289, 38787), (5541, 37023), (12341, 16623), (12929, 15867)]