201185721

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{12781}}^1$

素因数の和:12854

約数の個数: 32

約数和(自身を含む): 331309440

約数和(自身を除く): 130123719

約数列:

[1, 3, 9, 11, 27, 33, 53, 99, 159, 297, 477, 583, 1431, 1749, 5247, 12781, 15741, 38343, 115029, 140591, 345087, 421773, 677393, 1265319, 2032179, 3795957, 6096537, 7451323, 18289611, 22353969, 67061907, 201185721]

約数ペア:

[(1, 201185721), (3, 67061907), (9, 22353969), (11, 18289611), (27, 7451323), (33, 6096537), (53, 3795957), (99, 2032179), (159, 1265319), (297, 677393), (477, 421773), (583, 345087), (1431, 140591), (1749, 115029), (5247, 38343), (12781, 15741)]