20161243575

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73387}}^1$

素因数の和:73454

約数の個数: 96

約数和(自身を含む): 41496510720

約数和(自身を除く): 21335267145

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 37, 45, 55, 75, 99, 111, 135, 165, 185, 225, 275, 297, 333, 407, 495, 555, 675, 825, 925, 999, 1221, 1485, 1665, 2035, 2475, 2775, 3663, 4995, 6105, 7425, 8325, 10175, 10989, 18315, 24975, 30525, 54945, 73387, 91575, 220161, 274725, 366935, 660483, 807257, 1100805, 1834675, 1981449, 2421771, 2715319, 3302415, 4036285, 5504025, 7265313, 8145957, 9907245, 12108855, 13576595, 16512075, 20181425, 21795939, 24437871, 29868509, 36326565, 40729785, 49536225, 60544275, 67882975, 73313613, 89605527, 108979695, 122189355, 149342545, 181632825, 203648925, 268816581, 366568065, 448027635, 544898475, 610946775, 746712725, 806449743, 1344082905, 1832840325, 2240138175, 4032248715, 6720414525, 20161243575]

約数ペア:

[(1, 20161243575), (3, 6720414525), (5, 4032248715), (9, 2240138175), (11, 1832840325), (15, 1344082905), (25, 806449743), (27, 746712725), (33, 610946775), (37, 544898475), (45, 448027635), (55, 366568065), (75, 268816581), (99, 203648925), (111, 181632825), (135, 149342545), (165, 122189355), (185, 108979695), (225, 89605527), (275, 73313613), (297, 67882975), (333, 60544275), (407, 49536225), (495, 40729785), (555, 36326565), (675, 29868509), (825, 24437871), (925, 21795939), (999, 20181425), (1221, 16512075), (1485, 13576595), (1665, 12108855), (2035, 9907245), (2475, 8145957), (2775, 7265313), (3663, 5504025), (4995, 4036285), (6105, 3302415), (7425, 2715319), (8325, 2421771), (10175, 1981449), (10989, 1834675), (18315, 1100805), (24975, 807257), (30525, 660483), (54945, 366935), (73387, 274725), (91575, 220161)]