201212921

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{2153}}^1$

素因数の和:2265

約数の個数: 24

約数和(自身を含む): 252276480

約数和(自身を除く): 51063559

約数列:

[1, 7, 13, 79, 91, 169, 553, 1027, 1183, 2153, 7189, 13351, 15071, 27989, 93457, 170087, 195923, 363857, 1190609, 2211131, 2546999, 15477917, 28744703, 201212921]

約数ペア:

[(1, 201212921), (7, 28744703), (13, 15477917), (79, 2546999), (91, 2211131), (169, 1190609), (553, 363857), (1027, 195923), (1183, 170087), (2153, 93457), (7189, 27989), (13351, 15071)]