221518281663

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1\times {\mathrm{311}}^1\times {\mathrm{821}}^1$

素因数の和:1485

約数の個数: 96

約数和(自身を含む): 376398876672

約数和(自身を除く): 154880595009

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 293, 311, 329, 423, 821, 879, 933, 987, 2051, 2177, 2463, 2637, 2799, 2961, 5747, 6153, 6531, 7389, 13771, 14617, 17241, 18459, 19593, 38587, 41313, 43851, 51723, 91123, 96397, 102319, 115761, 123939, 131553, 240553, 255331, 270109, 273369, 289191, 306957, 347283, 637861, 721659, 765993, 810327, 820107, 867573, 920871, 1683871, 1787317, 1913583, 2164977, 2297979, 2430981, 4282781, 5051613, 5361951, 5740749, 11305991, 12000557, 12848343, 15154839, 16085853, 29979467, 33917973, 36001671, 38545029, 74811983, 79141937, 84003899, 89938401, 101753919, 108005013, 224435949, 237425811, 252011697, 269815203, 523683881, 673307847, 712277433, 756035091, 1571051643, 3516163201, 4713154929, 10548489603, 24613142407, 31645468809, 73839427221, 221518281663]

約数ペア:

[(1, 221518281663), (3, 73839427221), (7, 31645468809), (9, 24613142407), (21, 10548489603), (47, 4713154929), (63, 3516163201), (141, 1571051643), (293, 756035091), (311, 712277433), (329, 673307847), (423, 523683881), (821, 269815203), (879, 252011697), (933, 237425811), (987, 224435949), (2051, 108005013), (2177, 101753919), (2463, 89938401), (2637, 84003899), (2799, 79141937), (2961, 74811983), (5747, 38545029), (6153, 36001671), (6531, 33917973), (7389, 29979467), (13771, 16085853), (14617, 15154839), (17241, 12848343), (18459, 12000557), (19593, 11305991), (38587, 5740749), (41313, 5361951), (43851, 5051613), (51723, 4282781), (91123, 2430981), (96397, 2297979), (102319, 2164977), (115761, 1913583), (123939, 1787317), (131553, 1683871), (240553, 920871), (255331, 867573), (270109, 820107), (273369, 810327), (289191, 765993), (306957, 721659), (347283, 637861)]