16007985

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{571}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 32123520

約数和(自身を除く): 16115535

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 89, 105, 267, 315, 445, 571, 623, 801, 1335, 1713, 1869, 2855, 3115, 3997, 4005, 5139, 5607, 8565, 9345, 11991, 19985, 25695, 28035, 35973, 50819, 59955, 152457, 179865, 254095, 355733, 457371, 762285, 1067199, 1778665, 2286855, 3201597, 5335995, 16007985]

約数ペア:

[(1, 16007985), (3, 5335995), (5, 3201597), (7, 2286855), (9, 1778665), (15, 1067199), (21, 762285), (35, 457371), (45, 355733), (63, 254095), (89, 179865), (105, 152457), (267, 59955), (315, 50819), (445, 35973), (571, 28035), (623, 25695), (801, 19985), (1335, 11991), (1713, 9345), (1869, 8565), (2855, 5607), (3115, 5139), (3997, 4005)]