30409743

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{15913}}^1$

素因数の和:15943

約数の個数: 24

約数和(自身を含む): 50797488

約数和(自身を除く): 20387745

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 15913, 47739, 111391, 206869, 334173, 620607, 779737, 1448083, 2339211, 4344249, 10136581, 30409743]

約数ペア:

[(1, 30409743), (3, 10136581), (7, 4344249), (13, 2339211), (21, 1448083), (39, 779737), (49, 620607), (91, 334173), (147, 206869), (273, 111391), (637, 47739), (1911, 15913)]