198135

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:72

約数の個数: 48

約数和(自身を含む): 426816

約数和(自身を除く): 228681

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 37, 45, 51, 63, 85, 105, 111, 119, 153, 185, 255, 259, 315, 333, 357, 555, 595, 629, 765, 777, 1071, 1295, 1665, 1785, 1887, 2331, 3145, 3885, 4403, 5355, 5661, 9435, 11655, 13209, 22015, 28305, 39627, 66045, 198135]

約数ペア:

[(1, 198135), (3, 66045), (5, 39627), (7, 28305), (9, 22015), (15, 13209), (17, 11655), (21, 9435), (35, 5661), (37, 5355), (45, 4403), (51, 3885), (63, 3145), (85, 2331), (105, 1887), (111, 1785), (119, 1665), (153, 1295), (185, 1071), (255, 777), (259, 765), (315, 629), (333, 595), (357, 555)]