221489208

素因数分解:

$2^3\times 3^3\times {\mathrm{1025413}}^1$

素因数の和:1025428

約数の個数: 32

約数和(自身を含む): 615248400

約数和(自身を除く): 393759192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 1025413, 2050826, 3076239, 4101652, 6152478, 8203304, 9228717, 12304956, 18457434, 24609912, 27686151, 36914868, 55372302, 73829736, 110744604, 221489208]

約数ペア:

[(1, 221489208), (2, 110744604), (3, 73829736), (4, 55372302), (6, 36914868), (8, 27686151), (9, 24609912), (12, 18457434), (18, 12304956), (24, 9228717), (27, 8203304), (36, 6152478), (54, 4101652), (72, 3076239), (108, 2050826), (216, 1025413)]