2775981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 32

約数和(自身を含む): 4354560

約数和(自身を除く): 1578579

約数列:

[1, 3, 13, 17, 39, 51, 53, 79, 159, 221, 237, 663, 689, 901, 1027, 1343, 2067, 2703, 3081, 4029, 4187, 11713, 12561, 17459, 35139, 52377, 54431, 71179, 163293, 213537, 925327, 2775981]

約数ペア:

[(1, 2775981), (3, 925327), (13, 213537), (17, 163293), (39, 71179), (51, 54431), (53, 52377), (79, 35139), (159, 17459), (221, 12561), (237, 11713), (663, 4187), (689, 4029), (901, 3081), (1027, 2703), (1343, 2067)]