157217853

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2857}}^1$

素因数の和:2973

約数の個数: 32

約数和(自身を含む): 241992576

約数和(自身を除く): 84774723

約数列:

[1, 3, 13, 17, 39, 51, 83, 221, 249, 663, 1079, 1411, 2857, 3237, 4233, 8571, 18343, 37141, 48569, 55029, 111423, 145707, 237131, 631397, 711393, 1894191, 3082703, 4031227, 9248109, 12093681, 52405951, 157217853]

約数ペア:

[(1, 157217853), (3, 52405951), (13, 12093681), (17, 9248109), (39, 4031227), (51, 3082703), (83, 1894191), (221, 711393), (249, 631397), (663, 237131), (1079, 145707), (1411, 111423), (2857, 55029), (3237, 48569), (4233, 37141), (8571, 18343)]