259849215

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^2\times {\mathrm{347}}^1$

素因数の和:450

約数の個数: 60

約数和(自身を含む): 478262664

約数和(自身を除く): 218413449

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 347, 387, 405, 645, 1041, 1161, 1735, 1849, 1935, 3123, 3483, 5205, 5547, 5805, 9245, 9369, 14921, 15615, 16641, 17415, 27735, 28107, 44763, 46845, 49923, 74605, 83205, 134289, 140535, 149769, 223815, 249615, 402867, 641603, 671445, 748845, 1208601, 1924809, 2014335, 3208015, 5774427, 6043005, 9624045, 17323281, 28872135, 51969843, 86616405, 259849215]

約数ペア:

[(1, 259849215), (3, 86616405), (5, 51969843), (9, 28872135), (15, 17323281), (27, 9624045), (43, 6043005), (45, 5774427), (81, 3208015), (129, 2014335), (135, 1924809), (215, 1208601), (347, 748845), (387, 671445), (405, 641603), (645, 402867), (1041, 249615), (1161, 223815), (1735, 149769), (1849, 140535), (1935, 134289), (3123, 83205), (3483, 74605), (5205, 49923), (5547, 46845), (5805, 44763), (9245, 28107), (9369, 27735), (14921, 17415), (15615, 16641)]