27399729

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1597}}^1$

素因数の和:1669

約数の個数: 32

約数和(自身を含む): 44999680

約数和(自身を除く): 17599951

約数列:

[1, 3, 7, 19, 21, 43, 57, 129, 133, 301, 399, 817, 903, 1597, 2451, 4791, 5719, 11179, 17157, 30343, 33537, 68671, 91029, 206013, 212401, 480697, 637203, 1304749, 1442091, 3914247, 9133243, 27399729]

約数ペア:

[(1, 27399729), (3, 9133243), (7, 3914247), (19, 1442091), (21, 1304749), (43, 637203), (57, 480697), (129, 212401), (133, 206013), (301, 91029), (399, 68671), (817, 33537), (903, 30343), (1597, 17157), (2451, 11179), (4791, 5719)]