156886317

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2082

約数の個数: 48

約数和(自身を含む): 274285440

約数和(自身を除く): 117399123

約数列:

[1, 3, 7, 9, 21, 29, 43, 63, 87, 129, 203, 261, 301, 387, 609, 903, 1247, 1827, 1997, 2709, 3741, 5991, 8729, 11223, 13979, 17973, 26187, 41937, 57913, 78561, 85871, 125811, 173739, 257613, 405391, 521217, 601097, 772839, 1216173, 1803291, 2490259, 3648519, 5409873, 7470777, 17431813, 22412331, 52295439, 156886317]

約数ペア:

[(1, 156886317), (3, 52295439), (7, 22412331), (9, 17431813), (21, 7470777), (29, 5409873), (43, 3648519), (63, 2490259), (87, 1803291), (129, 1216173), (203, 772839), (261, 601097), (301, 521217), (387, 405391), (609, 257613), (903, 173739), (1247, 125811), (1827, 85871), (1997, 78561), (2709, 57913), (3741, 41937), (5991, 26187), (8729, 17973), (11223, 13979)]