90807145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1427}}^1$

素因数の和:1545

約数の個数: 32

約数和(自身を含む): 129548160

約数和(自身を除く): 38741015

約数列:

[1, 5, 11, 13, 55, 65, 89, 143, 445, 715, 979, 1157, 1427, 4895, 5785, 7135, 12727, 15697, 18551, 63635, 78485, 92755, 127003, 204061, 635015, 1020305, 1397033, 1651039, 6985165, 8255195, 18161429, 90807145]

約数ペア:

[(1, 90807145), (5, 18161429), (11, 8255195), (13, 6985165), (55, 1651039), (65, 1397033), (89, 1020305), (143, 635015), (445, 204061), (715, 127003), (979, 92755), (1157, 78485), (1427, 63635), (4895, 18551), (5785, 15697), (7135, 12727)]