81691038

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 217728000

約数和(自身を除く): 136036962

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 27, 33, 39, 54, 66, 71, 78, 99, 117, 142, 143, 149, 198, 213, 234, 286, 297, 298, 351, 426, 429, 447, 594, 639, 702, 781, 858, 894, 923, 1278, 1287, 1341, 1562, 1639, 1846, 1917, 1937, 2343, 2574, 2682, 2769, 3278, 3834, 3861, 3874, 4023, 4686, 4917, 5538, 5811, 7029, 7722, 8046, 8307, 9834, 10153, 10579, 11622, 14058, 14751, 16614, 17433, 20306, 21087, 21158, 21307, 24921, 29502, 30459, 31737, 34866, 42174, 42614, 44253, 49842, 52299, 60918, 63474, 63921, 88506, 91377, 95211, 104598, 116369, 127842, 137527, 182754, 190422, 191763, 232738, 274131, 275054, 285633, 349107, 383526, 412581, 548262, 571266, 575289, 698214, 825162, 1047321, 1150578, 1237743, 1512797, 2094642, 2475486, 3025594, 3141963, 3713229, 4538391, 6283926, 7426458, 9076782, 13615173, 27230346, 40845519, 81691038]

約数ペア:

[(1, 81691038), (2, 40845519), (3, 27230346), (6, 13615173), (9, 9076782), (11, 7426458), (13, 6283926), (18, 4538391), (22, 3713229), (26, 3141963), (27, 3025594), (33, 2475486), (39, 2094642), (54, 1512797), (66, 1237743), (71, 1150578), (78, 1047321), (99, 825162), (117, 698214), (142, 575289), (143, 571266), (149, 548262), (198, 412581), (213, 383526), (234, 349107), (286, 285633), (297, 275054), (298, 274131), (351, 232738), (426, 191763), (429, 190422), (447, 182754), (594, 137527), (639, 127842), (702, 116369), (781, 104598), (858, 95211), (894, 91377), (923, 88506), (1278, 63921), (1287, 63474), (1341, 60918), (1562, 52299), (1639, 49842), (1846, 44253), (1917, 42614), (1937, 42174), (2343, 34866), (2574, 31737), (2682, 30459), (2769, 29502), (3278, 24921), (3834, 21307), (3861, 21158), (3874, 21087), (4023, 20306), (4686, 17433), (4917, 16614), (5538, 14751), (5811, 14058), (7029, 11622), (7722, 10579), (8046, 10153), (8307, 9834)]