398528061

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{647}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 567336960

約数和(自身を除く): 168808899

約数列:

[1, 3, 23, 69, 79, 113, 237, 339, 647, 1817, 1941, 2599, 5451, 7797, 8927, 14881, 26781, 44643, 51113, 73111, 153339, 205321, 219333, 615963, 1175599, 1681553, 3526797, 5044659, 5775769, 17327307, 132842687, 398528061]

約数ペア:

[(1, 398528061), (3, 132842687), (23, 17327307), (69, 5775769), (79, 5044659), (113, 3526797), (237, 1681553), (339, 1175599), (647, 615963), (1817, 219333), (1941, 205321), (2599, 153339), (5451, 73111), (7797, 51113), (8927, 44643), (14881, 26781)]