227765619

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 359783424

約数和(自身を除く): 132017805

約数列:

[1, 3, 9, 23, 41, 47, 69, 123, 141, 207, 369, 423, 571, 943, 1081, 1713, 1927, 2829, 3243, 5139, 5781, 8487, 9729, 13133, 17343, 23411, 26837, 39399, 44321, 70233, 80511, 118197, 132963, 210699, 241533, 398889, 538453, 617251, 1100317, 1615359, 1851753, 3300951, 4846077, 5555259, 9902853, 25307291, 75921873, 227765619]

約数ペア:

[(1, 227765619), (3, 75921873), (9, 25307291), (23, 9902853), (41, 5555259), (47, 4846077), (69, 3300951), (123, 1851753), (141, 1615359), (207, 1100317), (369, 617251), (423, 538453), (571, 398889), (943, 241533), (1081, 210699), (1713, 132963), (1927, 118197), (2829, 80511), (3243, 70233), (5139, 44321), (5781, 39399), (8487, 26837), (9729, 23411), (13133, 17343)]