291295017

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1069}}^1$

素因数の和:1242

約数の個数: 48

約数和(自身を含む): 483734160

約数和(自身を除く): 192439143

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 137, 153, 221, 411, 663, 1069, 1233, 1781, 1989, 2329, 3207, 5343, 6987, 9621, 13897, 16029, 18173, 20961, 30277, 41691, 54519, 90831, 125073, 146453, 163557, 236249, 272493, 439359, 708747, 1318077, 1903889, 2126241, 2489701, 5711667, 7469103, 17135001, 22407309, 32366113, 97098339, 291295017]

約数ペア:

[(1, 291295017), (3, 97098339), (9, 32366113), (13, 22407309), (17, 17135001), (39, 7469103), (51, 5711667), (117, 2489701), (137, 2126241), (153, 1903889), (221, 1318077), (411, 708747), (663, 439359), (1069, 272493), (1233, 236249), (1781, 163557), (1989, 146453), (2329, 125073), (3207, 90831), (5343, 54519), (6987, 41691), (9621, 30277), (13897, 20961), (16029, 18173)]