210816639

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{859}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 346669440

約数和(自身を除く): 135852801

約数列:

[1, 3, 9, 11, 33, 37, 67, 99, 111, 201, 333, 407, 603, 737, 859, 1221, 2211, 2479, 2577, 3663, 6633, 7437, 7731, 9449, 22311, 27269, 28347, 31783, 57553, 81807, 85041, 95349, 172659, 245421, 286047, 349613, 517977, 633083, 1048839, 1899249, 2129461, 3146517, 5697747, 6388383, 19165149, 23424071, 70272213, 210816639]

約数ペア:

[(1, 210816639), (3, 70272213), (9, 23424071), (11, 19165149), (33, 6388383), (37, 5697747), (67, 3146517), (99, 2129461), (111, 1899249), (201, 1048839), (333, 633083), (407, 517977), (603, 349613), (737, 286047), (859, 245421), (1221, 172659), (2211, 95349), (2479, 85041), (2577, 81807), (3663, 57553), (6633, 31783), (7437, 28347), (7731, 27269), (9449, 22311)]