20121315

素因数分解:

$3^1\times 5^1\times {\mathrm{977}}^1\times {\mathrm{1373}}^1$

素因数の和:2358

約数の個数: 16

約数和(自身を含む): 32250528

約数和(自身を除く): 12129213

約数列:

[1, 3, 5, 15, 977, 1373, 2931, 4119, 4885, 6865, 14655, 20595, 1341421, 4024263, 6707105, 20121315]

約数ペア:

[(1, 20121315), (3, 6707105), (5, 4024263), (15, 1341421), (977, 20595), (1373, 14655), (2931, 6865), (4119, 4885)]