262320009

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{1531}}^1$

素因数の和:1781

約数の個数: 32

約数和(自身を含む): 411801600

約数和(自身を除く): 149481591

約数列:

[1, 3, 7, 21, 41, 123, 199, 287, 597, 861, 1393, 1531, 4179, 4593, 8159, 10717, 24477, 32151, 57113, 62771, 171339, 188313, 304669, 439397, 914007, 1318191, 2132683, 6398049, 12491429, 37474287, 87440003, 262320009]

約数ペア:

[(1, 262320009), (3, 87440003), (7, 37474287), (21, 12491429), (41, 6398049), (123, 2132683), (199, 1318191), (287, 914007), (597, 439397), (861, 304669), (1393, 188313), (1531, 171339), (4179, 62771), (4593, 57113), (8159, 32151), (10717, 24477)]