201556719

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{571}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 359783424

約数和(自身を除く): 158226705

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 431, 571, 819, 1293, 1713, 3017, 3879, 3997, 5139, 5603, 7423, 9051, 11991, 16809, 22269, 27153, 35973, 39221, 50427, 51961, 66807, 117663, 155883, 246101, 352989, 467649, 738303, 1722707, 2214909, 3199313, 5168121, 9597939, 15504363, 22395191, 28793817, 67185573, 201556719]

約数ペア:

[(1, 201556719), (3, 67185573), (7, 28793817), (9, 22395191), (13, 15504363), (21, 9597939), (39, 5168121), (63, 3199313), (91, 2214909), (117, 1722707), (273, 738303), (431, 467649), (571, 352989), (819, 246101), (1293, 155883), (1713, 117663), (3017, 66807), (3879, 51961), (3997, 50427), (5139, 39221), (5603, 35973), (7423, 27153), (9051, 22269), (11991, 16809)]