13128345

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3137}}^1$

素因数の和:3182

約数の個数: 32

約数和(自身を含む): 24099840

約数和(自身を除く): 10971495

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 3137, 4185, 9411, 15685, 28233, 47055, 84699, 97247, 141165, 291741, 423495, 486235, 875223, 1458705, 2625669, 4376115, 13128345]

約数ペア:

[(1, 13128345), (3, 4376115), (5, 2625669), (9, 1458705), (15, 875223), (27, 486235), (31, 423495), (45, 291741), (93, 141165), (135, 97247), (155, 84699), (279, 47055), (465, 28233), (837, 15685), (1395, 9411), (3137, 4185)]