161228565

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{76231}}^1$

素因数の和:76289

約数の個数: 24

約数和(自身を含む): 285412608

約数和(自身を除く): 124184043

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 76231, 228693, 381155, 686079, 1143465, 3430395, 3582857, 10748571, 17914285, 32245713, 53742855, 161228565]

約数ペア:

[(1, 161228565), (3, 53742855), (5, 32245713), (9, 17914285), (15, 10748571), (45, 3582857), (47, 3430395), (141, 1143465), (235, 686079), (423, 381155), (705, 228693), (2115, 76231)]