128566521

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{601}}^1$

素因数の和:771

約数の個数: 40

約数和(自身を含む): 203957600

約数和(自身を除く): 75391079

約数列:

[1, 3, 9, 19, 27, 57, 81, 139, 171, 417, 513, 601, 1251, 1539, 1803, 2641, 3753, 5409, 7923, 11259, 11419, 16227, 23769, 34257, 48681, 71307, 83539, 102771, 213921, 250617, 308313, 751851, 924939, 1587241, 2255553, 4761723, 6766659, 14285169, 42855507, 128566521]

約数ペア:

[(1, 128566521), (3, 42855507), (9, 14285169), (19, 6766659), (27, 4761723), (57, 2255553), (81, 1587241), (139, 924939), (171, 751851), (417, 308313), (513, 250617), (601, 213921), (1251, 102771), (1539, 83539), (1803, 71307), (2641, 48681), (3753, 34257), (5409, 23769), (7923, 16227), (11259, 11419)]