71978595

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21713}}^1$

素因数の和:21751

約数の個数: 32

約数和(自身を含む): 131326272

約数和(自身を除く): 59347677

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 21713, 65139, 108565, 282269, 325695, 369121, 846807, 1107363, 1411345, 1845605, 4234035, 4798573, 5536815, 14395719, 23992865, 71978595]

約数ペア:

[(1, 71978595), (3, 23992865), (5, 14395719), (13, 5536815), (15, 4798573), (17, 4234035), (39, 1845605), (51, 1411345), (65, 1107363), (85, 846807), (195, 369121), (221, 325695), (255, 282269), (663, 108565), (1105, 65139), (3315, 21713)]