71968995

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 146824704

約数和(自身を除く): 74855709

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 127, 147, 245, 257, 315, 381, 441, 635, 735, 771, 889, 1143, 1285, 1799, 1905, 2205, 2313, 2667, 3855, 4445, 5397, 5715, 6223, 8001, 8995, 11565, 12593, 13335, 16191, 18669, 26985, 31115, 32639, 37779, 40005, 56007, 62965, 80955, 93345, 97917, 113337, 163195, 188895, 228473, 280035, 293751, 489585, 566685, 685419, 1142365, 1468755, 1599311, 2056257, 3427095, 4797933, 7996555, 10281285, 14393799, 23989665, 71968995]

約数ペア:

[(1, 71968995), (3, 23989665), (5, 14393799), (7, 10281285), (9, 7996555), (15, 4797933), (21, 3427095), (35, 2056257), (45, 1599311), (49, 1468755), (63, 1142365), (105, 685419), (127, 566685), (147, 489585), (245, 293751), (257, 280035), (315, 228473), (381, 188895), (441, 163195), (635, 113337), (735, 97917), (771, 93345), (889, 80955), (1143, 62965), (1285, 56007), (1799, 40005), (1905, 37779), (2205, 32639), (2313, 31115), (2667, 26985), (3855, 18669), (4445, 16191), (5397, 13335), (5715, 12593), (6223, 11565), (8001, 8995)]