12641115

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 21695040

約数和(自身を除く): 9053925

約数列:

[1, 3, 5, 15, 17, 51, 85, 89, 255, 267, 445, 557, 1335, 1513, 1671, 2785, 4539, 7565, 8355, 9469, 22695, 28407, 47345, 49573, 142035, 148719, 247865, 743595, 842741, 2528223, 4213705, 12641115]

約数ペア:

[(1, 12641115), (3, 4213705), (5, 2528223), (15, 842741), (17, 743595), (51, 247865), (85, 148719), (89, 142035), (255, 49573), (267, 47345), (445, 28407), (557, 22695), (1335, 9469), (1513, 8355), (1671, 7565), (2785, 4539)]