15315819

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{659}}^1$

素因数の和:850

約数の個数: 16

約数和(自身を含む): 20951040

約数和(自身を除く): 5635221

約数列:

[1, 3, 61, 127, 183, 381, 659, 1977, 7747, 23241, 40199, 83693, 120597, 251079, 5105273, 15315819]

約数ペア:

[(1, 15315819), (3, 5105273), (61, 251079), (127, 120597), (183, 83693), (381, 40199), (659, 23241), (1977, 7747)]