221594295

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{30713}}^1$

素因数の和:30771

約数の個数: 32

約数和(自身を含む): 392156352

約数和(自身を除く): 170562057

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 7215, 30713, 92139, 153565, 399269, 460695, 1136381, 1197807, 1996345, 3409143, 5681905, 5989035, 14772953, 17045715, 44318859, 73864765, 221594295]

約数ペア:

[(1, 221594295), (3, 73864765), (5, 44318859), (13, 17045715), (15, 14772953), (37, 5989035), (39, 5681905), (65, 3409143), (111, 1996345), (185, 1197807), (195, 1136381), (481, 460695), (555, 399269), (1443, 153565), (2405, 92139), (7215, 30713)]