20161145778705

素因数分解:

$3^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{198329111}}^1$

素因数の和:198329379

約数の個数: 40

約数和(自身を含む): 36284707698624

約数和(自身を除く): 16123561919919

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 251, 405, 753, 1255, 2259, 3765, 6777, 11295, 20331, 33885, 101655, 198329111, 594987333, 991645555, 1784961999, 2974936665, 5354885997, 8924809995, 16064657991, 26774429985, 49780606861, 80323289955, 149341820583, 248903034305, 448025461749, 746709102915, 1344076385247, 2240127308745, 4032229155741, 6720381926235, 20161145778705]

約数ペア:

[(1, 20161145778705), (3, 6720381926235), (5, 4032229155741), (9, 2240127308745), (15, 1344076385247), (27, 746709102915), (45, 448025461749), (81, 248903034305), (135, 149341820583), (251, 80323289955), (405, 49780606861), (753, 26774429985), (1255, 16064657991), (2259, 8924809995), (3765, 5354885997), (6777, 2974936665), (11295, 1784961999), (20331, 991645555), (33885, 594987333), (101655, 198329111)]