91997577

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 158775552

約数和(自身を除く): 66777975

約数列:

[1, 3, 7, 9, 21, 37, 61, 63, 111, 183, 259, 333, 427, 549, 647, 777, 1281, 1941, 2257, 2331, 3843, 4529, 5823, 6771, 13587, 15799, 20313, 23939, 39467, 40761, 47397, 71817, 118401, 142191, 167573, 215451, 276269, 355203, 502719, 828807, 1460279, 1508157, 2486421, 4380837, 10221953, 13142511, 30665859, 91997577]

約数ペア:

[(1, 91997577), (3, 30665859), (7, 13142511), (9, 10221953), (21, 4380837), (37, 2486421), (61, 1508157), (63, 1460279), (111, 828807), (183, 502719), (259, 355203), (333, 276269), (427, 215451), (549, 167573), (647, 142191), (777, 118401), (1281, 71817), (1941, 47397), (2257, 40761), (2331, 39467), (3843, 23939), (4529, 20313), (5823, 15799), (6771, 13587)]