72142785

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:176

約数の個数: 128

約数和(自身を含む): 156280320

約数和(自身を除く): 84137535

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 33, 37, 39, 45, 55, 65, 99, 101, 111, 117, 135, 143, 165, 185, 195, 297, 303, 333, 351, 407, 429, 481, 495, 505, 555, 585, 715, 909, 999, 1111, 1221, 1287, 1313, 1443, 1485, 1515, 1665, 1755, 2035, 2145, 2405, 2727, 3333, 3663, 3737, 3861, 3939, 4329, 4545, 4995, 5291, 5555, 6105, 6435, 6565, 7215, 9999, 10989, 11211, 11817, 12987, 13635, 14443, 15873, 16665, 18315, 18685, 19305, 19695, 21645, 26455, 29997, 33633, 35451, 41107, 43329, 47619, 48581, 49995, 54945, 56055, 59085, 64935, 72215, 79365, 100899, 123321, 129987, 142857, 145743, 149985, 168165, 177255, 205535, 216645, 238095, 242905, 369963, 389961, 437229, 504495, 534391, 616605, 649935, 714285, 728715, 1109889, 1311687, 1603173, 1849815, 1949805, 2186145, 2671955, 4809519, 5549445, 6558435, 8015865, 14428557, 24047595, 72142785]

約数ペア:

[(1, 72142785), (3, 24047595), (5, 14428557), (9, 8015865), (11, 6558435), (13, 5549445), (15, 4809519), (27, 2671955), (33, 2186145), (37, 1949805), (39, 1849815), (45, 1603173), (55, 1311687), (65, 1109889), (99, 728715), (101, 714285), (111, 649935), (117, 616605), (135, 534391), (143, 504495), (165, 437229), (185, 389961), (195, 369963), (297, 242905), (303, 238095), (333, 216645), (351, 205535), (407, 177255), (429, 168165), (481, 149985), (495, 145743), (505, 142857), (555, 129987), (585, 123321), (715, 100899), (909, 79365), (999, 72215), (1111, 64935), (1221, 59085), (1287, 56055), (1313, 54945), (1443, 49995), (1485, 48581), (1515, 47619), (1665, 43329), (1755, 41107), (2035, 35451), (2145, 33633), (2405, 29997), (2727, 26455), (3333, 21645), (3663, 19695), (3737, 19305), (3861, 18685), (3939, 18315), (4329, 16665), (4545, 15873), (4995, 14443), (5291, 13635), (5555, 12987), (6105, 11817), (6435, 11211), (6565, 10989), (7215, 9999)]