9969687

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:117

約数の個数: 72

約数和(自身を含む): 18922176

約数和(自身を除く): 8952489

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 47, 49, 63, 91, 111, 117, 141, 147, 259, 273, 329, 333, 423, 441, 481, 611, 637, 777, 819, 987, 1443, 1739, 1813, 1833, 1911, 2303, 2331, 2961, 3367, 4277, 4329, 5217, 5439, 5499, 5733, 6909, 10101, 12173, 12831, 15651, 16317, 20727, 22607, 23569, 29939, 30303, 36519, 38493, 67821, 70707, 85211, 89817, 109557, 158249, 203463, 212121, 255633, 269451, 474747, 766899, 1107743, 1424241, 3323229, 9969687]

約数ペア:

[(1, 9969687), (3, 3323229), (7, 1424241), (9, 1107743), (13, 766899), (21, 474747), (37, 269451), (39, 255633), (47, 212121), (49, 203463), (63, 158249), (91, 109557), (111, 89817), (117, 85211), (141, 70707), (147, 67821), (259, 38493), (273, 36519), (329, 30303), (333, 29939), (423, 23569), (441, 22607), (481, 20727), (611, 16317), (637, 15651), (777, 12831), (819, 12173), (987, 10101), (1443, 6909), (1739, 5733), (1813, 5499), (1833, 5439), (1911, 5217), (2303, 4329), (2331, 4277), (2961, 3367)]