11915379

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{659}}^1$

素因数の和:720

約数の個数: 36

約数和(自身を含む): 20540520

約数和(自身を除く): 8625141

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 659, 861, 1977, 2009, 2583, 4613, 5931, 6027, 13839, 18081, 27019, 32291, 41517, 81057, 96873, 189133, 243171, 290619, 567399, 1323931, 1702197, 3971793, 11915379]

約数ペア:

[(1, 11915379), (3, 3971793), (7, 1702197), (9, 1323931), (21, 567399), (41, 290619), (49, 243171), (63, 189133), (123, 96873), (147, 81057), (287, 41517), (369, 32291), (441, 27019), (659, 18081), (861, 13839), (1977, 6027), (2009, 5931), (2583, 4613)]