28705173

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{577}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 46166016

約数和(自身を除く): 17460843

約数列:

[1, 3, 7, 21, 23, 69, 103, 161, 309, 483, 577, 721, 1731, 2163, 2369, 4039, 7107, 12117, 13271, 16583, 39813, 49749, 59431, 92897, 178293, 278691, 416017, 1248051, 1366913, 4100739, 9568391, 28705173]

約数ペア:

[(1, 28705173), (3, 9568391), (7, 4100739), (21, 1366913), (23, 1248051), (69, 416017), (103, 278691), (161, 178293), (309, 92897), (483, 59431), (577, 49749), (721, 39813), (1731, 16583), (2163, 13271), (2369, 12117), (4039, 7107)]