21508713578889

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{757}}^1\times {\mathrm{3044369}}^1$

素因数の和:3045210

約数の個数: 48

約数和(自身を含む): 33479131729680

約数和(自身を除く): 11970418150791

約数列:

[1, 3, 9, 17, 51, 61, 153, 183, 549, 757, 1037, 2271, 3111, 6813, 9333, 12869, 38607, 46177, 115821, 138531, 415593, 785009, 2355027, 3044369, 7065081, 9133107, 27399321, 51754273, 155262819, 185706509, 465788457, 557119527, 1671358581, 2304587333, 3157010653, 6913761999, 9471031959, 20741285997, 28413095877, 39177984661, 117533953983, 140579827313, 352601861949, 421739481939, 1265218445817, 2389857064321, 7169571192963, 21508713578889]

約数ペア:

[(1, 21508713578889), (3, 7169571192963), (9, 2389857064321), (17, 1265218445817), (51, 421739481939), (61, 352601861949), (153, 140579827313), (183, 117533953983), (549, 39177984661), (757, 28413095877), (1037, 20741285997), (2271, 9471031959), (3111, 6913761999), (6813, 3157010653), (9333, 2304587333), (12869, 1671358581), (38607, 557119527), (46177, 465788457), (115821, 185706509), (138531, 155262819), (415593, 51754273), (785009, 27399321), (2355027, 9133107), (3044369, 7065081)]