209317815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{1193}}^1$

素因数の和:1768

約数の個数: 48

約数和(自身を含む): 415741248

約数和(自身を除く): 206423433

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 557, 1193, 1671, 2785, 3579, 3899, 5013, 5965, 8351, 8355, 10737, 11697, 17895, 19495, 25053, 25065, 35091, 41755, 53685, 58485, 75159, 125265, 175455, 375795, 664501, 1993503, 3322505, 4651507, 5980509, 9967515, 13954521, 23257535, 29902545, 41863563, 69772605, 209317815]

約数ペア:

[(1, 209317815), (3, 69772605), (5, 41863563), (7, 29902545), (9, 23257535), (15, 13954521), (21, 9967515), (35, 5980509), (45, 4651507), (63, 3322505), (105, 1993503), (315, 664501), (557, 375795), (1193, 175455), (1671, 125265), (2785, 75159), (3579, 58485), (3899, 53685), (5013, 41755), (5965, 35091), (8351, 25065), (8355, 25053), (10737, 19495), (11697, 17895)]