13171515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 26210304

約数和(自身を除く): 13038789

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 47, 51, 85, 105, 119, 141, 157, 235, 255, 329, 357, 471, 595, 705, 785, 799, 987, 1099, 1645, 1785, 2355, 2397, 2669, 3297, 3995, 4935, 5495, 5593, 7379, 8007, 11985, 13345, 16485, 16779, 18683, 22137, 27965, 36895, 40035, 51653, 56049, 83895, 93415, 110685, 125443, 154959, 258265, 280245, 376329, 627215, 774795, 878101, 1881645, 2634303, 4390505, 13171515]

約数ペア:

[(1, 13171515), (3, 4390505), (5, 2634303), (7, 1881645), (15, 878101), (17, 774795), (21, 627215), (35, 376329), (47, 280245), (51, 258265), (85, 154959), (105, 125443), (119, 110685), (141, 93415), (157, 83895), (235, 56049), (255, 51653), (329, 40035), (357, 36895), (471, 27965), (595, 22137), (705, 18683), (785, 16779), (799, 16485), (987, 13345), (1099, 11985), (1645, 8007), (1785, 7379), (2355, 5593), (2397, 5495), (2669, 4935), (3297, 3995)]