164425821

素因数分解:

$3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{7507}}^1$

素因数の和:7673

約数の個数: 24

約数和(自身を含む): 256773600

約数和(自身を除く): 92347779

約数列:

[1, 3, 7, 21, 49, 147, 149, 447, 1043, 3129, 7301, 7507, 21903, 22521, 52549, 157647, 367843, 1103529, 1118543, 3355629, 7829801, 23489403, 54808607, 164425821]

約数ペア:

[(1, 164425821), (3, 54808607), (7, 23489403), (21, 7829801), (49, 3355629), (147, 1118543), (149, 1103529), (447, 367843), (1043, 157647), (3129, 52549), (7301, 22521), (7507, 21903)]