30307431

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{18743}}^1$

素因数の和:18771

約数の個数: 24

約数和(自身を含む): 51283584

約数和(自身を除く): 20976153

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 18743, 56229, 131201, 206173, 393603, 618519, 918407, 1443211, 2755221, 4329633, 10102477, 30307431]

約数ペア:

[(1, 30307431), (3, 10102477), (7, 4329633), (11, 2755221), (21, 1443211), (33, 918407), (49, 618519), (77, 393603), (147, 206173), (231, 131201), (539, 56229), (1617, 18743)]