51061941

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 90787840

約数和(自身を除く): 39725899

約数列:

[1, 3, 7, 9, 21, 27, 43, 61, 63, 103, 129, 183, 189, 301, 309, 387, 427, 549, 721, 903, 927, 1161, 1281, 1647, 2163, 2623, 2709, 2781, 3843, 4429, 6283, 6489, 7869, 8127, 11529, 13287, 18361, 18849, 19467, 23607, 31003, 39861, 43981, 55083, 56547, 70821, 93009, 119583, 131943, 165249, 169641, 270169, 279027, 395829, 495747, 810507, 837081, 1187487, 1891183, 2431521, 5673549, 7294563, 17020647, 51061941]

約数ペア:

[(1, 51061941), (3, 17020647), (7, 7294563), (9, 5673549), (21, 2431521), (27, 1891183), (43, 1187487), (61, 837081), (63, 810507), (103, 495747), (129, 395829), (183, 279027), (189, 270169), (301, 169641), (309, 165249), (387, 131943), (427, 119583), (549, 93009), (721, 70821), (903, 56547), (927, 55083), (1161, 43981), (1281, 39861), (1647, 31003), (2163, 23607), (2623, 19467), (2709, 18849), (2781, 18361), (3843, 13287), (4429, 11529), (6283, 8127), (6489, 7869)]