51490845

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5273}}^1$

素因数の和:5322

約数の個数: 48

約数和(自身を含む): 105311232

約数和(自身を除く): 53820387

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 279, 315, 465, 651, 1085, 1395, 1953, 3255, 5273, 9765, 15819, 26365, 36911, 47457, 79095, 110733, 163463, 184555, 237285, 332199, 490389, 553665, 817315, 1144241, 1471167, 1660995, 2451945, 3432723, 5721205, 7355835, 10298169, 17163615, 51490845]

約数ペア:

[(1, 51490845), (3, 17163615), (5, 10298169), (7, 7355835), (9, 5721205), (15, 3432723), (21, 2451945), (31, 1660995), (35, 1471167), (45, 1144241), (63, 817315), (93, 553665), (105, 490389), (155, 332199), (217, 237285), (279, 184555), (315, 163463), (465, 110733), (651, 79095), (1085, 47457), (1395, 36911), (1953, 26365), (3255, 15819), (5273, 9765)]