81322956

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15797}}^1$

素因数の和:15831

約数の個数: 72

約数和(自身を含む): 241519824

約数和(自身を除く): 160196868

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 5148, 15797, 31594, 47391, 63188, 94782, 142173, 173767, 189564, 205361, 284346, 347534, 410722, 521301, 568692, 616083, 695068, 821444, 1042602, 1232166, 1563903, 1848249, 2085204, 2258971, 2464332, 3127806, 3696498, 4517942, 6255612, 6776913, 7392996, 9035884, 13553826, 20330739, 27107652, 40661478, 81322956]

約数ペア:

[(1, 81322956), (2, 40661478), (3, 27107652), (4, 20330739), (6, 13553826), (9, 9035884), (11, 7392996), (12, 6776913), (13, 6255612), (18, 4517942), (22, 3696498), (26, 3127806), (33, 2464332), (36, 2258971), (39, 2085204), (44, 1848249), (52, 1563903), (66, 1232166), (78, 1042602), (99, 821444), (117, 695068), (132, 616083), (143, 568692), (156, 521301), (198, 410722), (234, 347534), (286, 284346), (396, 205361), (429, 189564), (468, 173767), (572, 142173), (858, 94782), (1287, 63188), (1716, 47391), (2574, 31594), (5148, 15797)]