320158917

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{857}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 519687168

約数和(自身を除く): 199528251

約数列:

[1, 3, 9, 13, 31, 39, 93, 103, 117, 279, 309, 403, 857, 927, 1209, 1339, 2571, 3193, 3627, 4017, 7713, 9579, 11141, 12051, 26567, 28737, 33423, 41509, 79701, 88271, 100269, 124527, 239103, 264813, 345371, 373581, 794439, 1036113, 1147523, 2736401, 3108339, 3442569, 8209203, 10327707, 24627609, 35573213, 106719639, 320158917]

約数ペア:

[(1, 320158917), (3, 106719639), (9, 35573213), (13, 24627609), (31, 10327707), (39, 8209203), (93, 3442569), (103, 3108339), (117, 2736401), (279, 1147523), (309, 1036113), (403, 794439), (857, 373581), (927, 345371), (1209, 264813), (1339, 239103), (2571, 124527), (3193, 100269), (3627, 88271), (4017, 79701), (7713, 41509), (9579, 33423), (11141, 28737), (12051, 26567)]