331215339

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{6703}}^1$

素因数の和:6907

約数の個数: 32

約数和(自身を含む): 546617344

約数和(自身を除く): 215402005

約数列:

[1, 3, 7, 13, 21, 39, 91, 181, 273, 543, 1267, 2353, 3801, 6703, 7059, 16471, 20109, 46921, 49413, 87139, 140763, 261417, 609973, 1213243, 1829919, 3639729, 8492701, 15772159, 25478103, 47316477, 110405113, 331215339]

約数ペア:

[(1, 331215339), (3, 110405113), (7, 47316477), (13, 25478103), (21, 15772159), (39, 8492701), (91, 3639729), (181, 1829919), (273, 1213243), (543, 609973), (1267, 261417), (2353, 140763), (3801, 87139), (6703, 49413), (7059, 46921), (16471, 20109)]