780806547

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{761}}^1$

素因数の和:1065

約数の個数: 40

約数和(自身を含む): 1194937920

約数和(自身を除く): 414131373

約数列:

[1, 3, 9, 27, 53, 81, 159, 239, 477, 717, 761, 1431, 2151, 2283, 4293, 6453, 6849, 12667, 19359, 20547, 38001, 40333, 61641, 114003, 120999, 181879, 342009, 362997, 545637, 1026027, 1088991, 1636911, 3266973, 4910733, 9639587, 14732199, 28918761, 86756283, 260268849, 780806547]

約数ペア:

[(1, 780806547), (3, 260268849), (9, 86756283), (27, 28918761), (53, 14732199), (81, 9639587), (159, 4910733), (239, 3266973), (477, 1636911), (717, 1088991), (761, 1026027), (1431, 545637), (2151, 362997), (2283, 342009), (4293, 181879), (6453, 120999), (6849, 114003), (12667, 61641), (19359, 40333), (20547, 38001)]