201717285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{15877}}^1$

素因数の和:15914

約数の個数: 48

約数和(自身を含む): 405460608

約数和(自身を除く): 203743323

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 121, 165, 231, 363, 385, 605, 847, 1155, 1815, 2541, 4235, 12705, 15877, 47631, 79385, 111139, 174647, 238155, 333417, 523941, 555695, 873235, 1222529, 1667085, 1921117, 2619705, 3667587, 5763351, 6112645, 9605585, 13447819, 18337935, 28816755, 40343457, 67239095, 201717285]

約数ペア:

[(1, 201717285), (3, 67239095), (5, 40343457), (7, 28816755), (11, 18337935), (15, 13447819), (21, 9605585), (33, 6112645), (35, 5763351), (55, 3667587), (77, 2619705), (105, 1921117), (121, 1667085), (165, 1222529), (231, 873235), (363, 555695), (385, 523941), (605, 333417), (847, 238155), (1155, 174647), (1815, 111139), (2541, 79385), (4235, 47631), (12705, 15877)]