1997942355

素因数分解:

$3^5\times 5^1\times {\mathrm{269}}^1\times {\mathrm{6113}}^1$

素因数の和:6402

約数の個数: 48

約数和(自身を含む): 3605303520

約数和(自身を除く): 1607361165

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 269, 405, 807, 1215, 1345, 2421, 4035, 6113, 7263, 12105, 18339, 21789, 30565, 36315, 55017, 65367, 91695, 108945, 165051, 275085, 326835, 495153, 825255, 1485459, 1644397, 2475765, 4933191, 7427295, 8221985, 14799573, 24665955, 44398719, 73997865, 133196157, 221993595, 399588471, 665980785, 1997942355]

約数ペア:

[(1, 1997942355), (3, 665980785), (5, 399588471), (9, 221993595), (15, 133196157), (27, 73997865), (45, 44398719), (81, 24665955), (135, 14799573), (243, 8221985), (269, 7427295), (405, 4933191), (807, 2475765), (1215, 1644397), (1345, 1485459), (2421, 825255), (4035, 495153), (6113, 326835), (7263, 275085), (12105, 165051), (18339, 108945), (21789, 91695), (30565, 65367), (36315, 55017)]