209317695

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{2879}}^1$

素因数の和:3055

約数の個数: 32

約数和(自身を含む): 346705920

約数和(自身を除く): 137388225

約数列:

[1, 3, 5, 15, 37, 111, 131, 185, 393, 555, 655, 1965, 2879, 4847, 8637, 14395, 14541, 24235, 43185, 72705, 106523, 319569, 377149, 532615, 1131447, 1597845, 1885745, 5657235, 13954513, 41863539, 69772565, 209317695]

約数ペア:

[(1, 209317695), (3, 69772565), (5, 41863539), (15, 13954513), (37, 5657235), (111, 1885745), (131, 1597845), (185, 1131447), (393, 532615), (555, 377149), (655, 319569), (1965, 106523), (2879, 72705), (4847, 43185), (8637, 24235), (14395, 14541)]