42621579

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:142

約数の個数: 128

約数和(自身を含む): 90316800

約数和(自身を除く): 47695221

約数列:

[1, 3, 7, 9, 11, 13, 19, 21, 27, 33, 39, 57, 63, 77, 83, 91, 99, 117, 133, 143, 171, 189, 209, 231, 247, 249, 273, 297, 351, 399, 429, 513, 581, 627, 693, 741, 747, 819, 913, 1001, 1079, 1197, 1287, 1463, 1577, 1729, 1743, 1881, 2079, 2223, 2241, 2457, 2717, 2739, 3003, 3237, 3591, 3861, 4389, 4731, 5187, 5229, 5643, 6391, 6669, 7553, 8151, 8217, 9009, 9711, 11039, 11869, 13167, 14193, 15561, 15687, 17347, 19019, 19173, 20501, 22659, 24453, 24651, 27027, 29133, 33117, 35607, 39501, 42579, 46683, 52041, 57057, 57519, 61503, 67977, 73359, 83083, 99351, 106821, 121429, 143507, 156123, 171171, 172557, 184509, 203931, 225511, 249249, 298053, 320463, 364287, 430521, 468369, 513513, 553527, 676533, 747747, 1092861, 1291563, 1578577, 2029599, 2243241, 3278583, 3874689, 4735731, 6088797, 14207193, 42621579]

約数ペア:

[(1, 42621579), (3, 14207193), (7, 6088797), (9, 4735731), (11, 3874689), (13, 3278583), (19, 2243241), (21, 2029599), (27, 1578577), (33, 1291563), (39, 1092861), (57, 747747), (63, 676533), (77, 553527), (83, 513513), (91, 468369), (99, 430521), (117, 364287), (133, 320463), (143, 298053), (171, 249249), (189, 225511), (209, 203931), (231, 184509), (247, 172557), (249, 171171), (273, 156123), (297, 143507), (351, 121429), (399, 106821), (429, 99351), (513, 83083), (581, 73359), (627, 67977), (693, 61503), (741, 57519), (747, 57057), (819, 52041), (913, 46683), (1001, 42579), (1079, 39501), (1197, 35607), (1287, 33117), (1463, 29133), (1577, 27027), (1729, 24651), (1743, 24453), (1881, 22659), (2079, 20501), (2223, 19173), (2241, 19019), (2457, 17347), (2717, 15687), (2739, 15561), (3003, 14193), (3237, 13167), (3591, 11869), (3861, 11039), (4389, 9711), (4731, 9009), (5187, 8217), (5229, 8151), (5643, 7553), (6391, 6669)]