83723157

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 144089088

約数和(自身を除く): 60365931

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 163, 217, 263, 279, 489, 651, 789, 1141, 1467, 1841, 1953, 2367, 3423, 5053, 5523, 8153, 10269, 15159, 16569, 24459, 35371, 42869, 45477, 57071, 73377, 106113, 128607, 171213, 300083, 318339, 385821, 513639, 900249, 1328939, 2700747, 3986817, 9302573, 11960451, 27907719, 83723157]

約数ペア:

[(1, 83723157), (3, 27907719), (7, 11960451), (9, 9302573), (21, 3986817), (31, 2700747), (63, 1328939), (93, 900249), (163, 513639), (217, 385821), (263, 318339), (279, 300083), (489, 171213), (651, 128607), (789, 106113), (1141, 73377), (1467, 57071), (1841, 45477), (1953, 42869), (2367, 35371), (3423, 24459), (5053, 16569), (5523, 15159), (8153, 10269)]