22172391

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 35582976

約数和(自身を除く): 13410585

約数列:

[1, 3, 9, 23, 43, 47, 53, 69, 129, 141, 159, 207, 387, 423, 477, 989, 1081, 1219, 2021, 2279, 2491, 2967, 3243, 3657, 6063, 6837, 7473, 8901, 9729, 10971, 18189, 20511, 22419, 46483, 52417, 57293, 107113, 139449, 157251, 171879, 321339, 418347, 471753, 515637, 964017, 2463599, 7390797, 22172391]

約数ペア:

[(1, 22172391), (3, 7390797), (9, 2463599), (23, 964017), (43, 515637), (47, 471753), (53, 418347), (69, 321339), (129, 171879), (141, 157251), (159, 139449), (207, 107113), (387, 57293), (423, 52417), (477, 46483), (989, 22419), (1081, 20511), (1219, 18189), (2021, 10971), (2279, 9729), (2491, 8901), (2967, 7473), (3243, 6837), (3657, 6063)]