389628477

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1\times {\mathrm{277}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 655724160

約数和(自身を除く): 266095683

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 269, 277, 581, 747, 807, 831, 1743, 1883, 1939, 2421, 2493, 5229, 5649, 5817, 16947, 17451, 22327, 22991, 66981, 68973, 74513, 156289, 160937, 200943, 206919, 223539, 468867, 482811, 521591, 670617, 1406601, 1448433, 1564773, 4694319, 6184579, 18553737, 43292053, 55661211, 129876159, 389628477]

約数ペア:

[(1, 389628477), (3, 129876159), (7, 55661211), (9, 43292053), (21, 18553737), (63, 6184579), (83, 4694319), (249, 1564773), (269, 1448433), (277, 1406601), (581, 670617), (747, 521591), (807, 482811), (831, 468867), (1743, 223539), (1883, 206919), (1939, 200943), (2421, 160937), (2493, 156289), (5229, 74513), (5649, 68973), (5817, 66981), (16947, 22991), (17451, 22327)]