644232357

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{1381}}^1\times {\mathrm{3049}}^1$

素因数の和:4453

約数の個数: 24

約数和(自身を含む): 986333400

約数和(自身を除く): 342101043

約数列:

[1, 3, 9, 17, 51, 153, 1381, 3049, 4143, 9147, 12429, 23477, 27441, 51833, 70431, 155499, 211293, 466497, 4210669, 12632007, 37896021, 71581373, 214744119, 644232357]

約数ペア:

[(1, 644232357), (3, 214744119), (9, 71581373), (17, 37896021), (51, 12632007), (153, 4210669), (1381, 466497), (3049, 211293), (4143, 155499), (9147, 70431), (12429, 51833), (23477, 27441)]