155220387

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{347}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 257074560

約数和(自身を除く): 101854173

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 179, 347, 357, 537, 833, 1041, 1253, 2429, 2499, 3043, 3759, 5899, 7287, 8771, 9129, 17003, 17697, 21301, 26313, 41293, 51009, 62113, 63903, 123879, 149107, 186339, 289051, 434791, 447321, 867153, 1055921, 1304373, 3043537, 3167763, 7391447, 9130611, 22174341, 51740129, 155220387]

約数ペア:

[(1, 155220387), (3, 51740129), (7, 22174341), (17, 9130611), (21, 7391447), (49, 3167763), (51, 3043537), (119, 1304373), (147, 1055921), (179, 867153), (347, 447321), (357, 434791), (537, 289051), (833, 186339), (1041, 149107), (1253, 123879), (2429, 63903), (2499, 62113), (3043, 51009), (3759, 41293), (5899, 26313), (7287, 21301), (8771, 17697), (9129, 17003)]