221444091

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{719}}^1$

素因数の和:817

約数の個数: 64

約数和(自身を含む): 385689600

約数和(自身を除く): 164245509

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 61, 99, 153, 183, 187, 297, 459, 549, 561, 671, 719, 1037, 1647, 1683, 2013, 2157, 3111, 5049, 6039, 6471, 7909, 9333, 11407, 12223, 18117, 19413, 23727, 27999, 34221, 36669, 43859, 71181, 102663, 110007, 131577, 134453, 213543, 307989, 330021, 394731, 403359, 482449, 745603, 1184193, 1210077, 1447347, 2236809, 3630231, 4342041, 6710427, 8201633, 13026123, 20131281, 24604899, 73814697, 221444091]

約数ペア:

[(1, 221444091), (3, 73814697), (9, 24604899), (11, 20131281), (17, 13026123), (27, 8201633), (33, 6710427), (51, 4342041), (61, 3630231), (99, 2236809), (153, 1447347), (183, 1210077), (187, 1184193), (297, 745603), (459, 482449), (549, 403359), (561, 394731), (671, 330021), (719, 307989), (1037, 213543), (1647, 134453), (1683, 131577), (2013, 110007), (2157, 102663), (3111, 71181), (5049, 43859), (6039, 36669), (6471, 34221), (7909, 27999), (9333, 23727), (11407, 19413), (12223, 18117)]