221843601

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{5009}}^1$

素因数の和:5078

約数の個数: 48

約数和(自身を含む): 395990400

約数和(自身を除く): 174146799

約数列:

[1, 3, 7, 9, 19, 21, 37, 57, 63, 111, 133, 171, 259, 333, 399, 703, 777, 1197, 2109, 2331, 4921, 5009, 6327, 14763, 15027, 35063, 44289, 45081, 95171, 105189, 185333, 285513, 315567, 555999, 666197, 856539, 1297331, 1667997, 1998591, 3521327, 3891993, 5995773, 10563981, 11675979, 24649289, 31691943, 73947867, 221843601]

約数ペア:

[(1, 221843601), (3, 73947867), (7, 31691943), (9, 24649289), (19, 11675979), (21, 10563981), (37, 5995773), (57, 3891993), (63, 3521327), (111, 1998591), (133, 1667997), (171, 1297331), (259, 856539), (333, 666197), (399, 555999), (703, 315567), (777, 285513), (1197, 185333), (2109, 105189), (2331, 95171), (4921, 45081), (5009, 44289), (6327, 35063), (14763, 15027)]