20160147

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 32832000

約数和(自身を除く): 12671853

約数列:

[1, 3, 7, 17, 21, 51, 119, 149, 357, 379, 447, 1043, 1137, 2533, 2653, 3129, 6443, 7599, 7959, 17731, 19329, 45101, 53193, 56471, 135303, 169413, 395297, 960007, 1185891, 2880021, 6720049, 20160147]

約数ペア:

[(1, 20160147), (3, 6720049), (7, 2880021), (17, 1185891), (21, 960007), (51, 395297), (119, 169413), (149, 135303), (357, 56471), (379, 53193), (447, 45101), (1043, 19329), (1137, 17731), (2533, 7959), (2653, 7599), (3129, 6443)]