23278695

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 44250624

約数和(自身を除く): 20971929

約数列:

[1, 3, 5, 11, 15, 17, 33, 43, 51, 55, 85, 129, 165, 187, 193, 215, 255, 473, 561, 579, 645, 731, 935, 965, 1419, 2123, 2193, 2365, 2805, 2895, 3281, 3655, 6369, 7095, 8041, 8299, 9843, 10615, 10965, 16405, 24123, 24897, 31845, 36091, 40205, 41495, 49215, 91289, 108273, 120615, 124485, 141083, 180455, 273867, 423249, 456445, 541365, 705415, 1369335, 1551913, 2116245, 4655739, 7759565, 23278695]

約数ペア:

[(1, 23278695), (3, 7759565), (5, 4655739), (11, 2116245), (15, 1551913), (17, 1369335), (33, 705415), (43, 541365), (51, 456445), (55, 423249), (85, 273867), (129, 180455), (165, 141083), (187, 124485), (193, 120615), (215, 108273), (255, 91289), (473, 49215), (561, 41495), (579, 40205), (645, 36091), (731, 31845), (935, 24897), (965, 24123), (1419, 16405), (2123, 10965), (2193, 10615), (2365, 9843), (2805, 8299), (2895, 8041), (3281, 7095), (3655, 6369)]