222754689

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 372663720

約数和(自身を除く): 149909031

約数列:

[1, 3, 9, 17, 19, 37, 51, 57, 109, 111, 153, 171, 323, 327, 333, 361, 629, 703, 969, 981, 1083, 1853, 1887, 2071, 2109, 2907, 3249, 4033, 5559, 5661, 6137, 6213, 6327, 11951, 12099, 13357, 16677, 18411, 18639, 35207, 35853, 36297, 39349, 40071, 55233, 68561, 76627, 105621, 107559, 118047, 120213, 205683, 227069, 229881, 316863, 354141, 617049, 668933, 681207, 689643, 1302659, 1455913, 2006799, 2043621, 3907977, 4367739, 6020397, 11723931, 13103217, 24750521, 74251563, 222754689]

約数ペア:

[(1, 222754689), (3, 74251563), (9, 24750521), (17, 13103217), (19, 11723931), (37, 6020397), (51, 4367739), (57, 3907977), (109, 2043621), (111, 2006799), (153, 1455913), (171, 1302659), (323, 689643), (327, 681207), (333, 668933), (361, 617049), (629, 354141), (703, 316863), (969, 229881), (981, 227069), (1083, 205683), (1853, 120213), (1887, 118047), (2071, 107559), (2109, 105621), (2907, 76627), (3249, 68561), (4033, 55233), (5559, 40071), (5661, 39349), (6137, 36297), (6213, 35853), (6327, 35207), (11951, 18639), (12099, 18411), (13357, 16677)]