219325815

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2381}}^1$

素因数の和:2504

約数の個数: 48

約数和(自身を含む): 401319360

約数和(自身を除く): 181993545

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 89, 115, 207, 267, 345, 445, 801, 1035, 1335, 2047, 2381, 4005, 6141, 7143, 10235, 11905, 18423, 21429, 30705, 35715, 54763, 92115, 107145, 164289, 211909, 273815, 492867, 635727, 821445, 1059545, 1907181, 2464335, 3178635, 4873907, 9535905, 14621721, 24369535, 43865163, 73108605, 219325815]

約数ペア:

[(1, 219325815), (3, 73108605), (5, 43865163), (9, 24369535), (15, 14621721), (23, 9535905), (45, 4873907), (69, 3178635), (89, 2464335), (115, 1907181), (207, 1059545), (267, 821445), (345, 635727), (445, 492867), (801, 273815), (1035, 211909), (1335, 164289), (2047, 107145), (2381, 92115), (4005, 54763), (6141, 35715), (7143, 30705), (10235, 21429), (11905, 18423)]