401987385

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2269}}^1$

素因数の和:2438

約数の個数: 48

約数和(自身を含む): 725237760

約数和(自身を除く): 323250375

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 127, 155, 279, 381, 465, 635, 1143, 1395, 1905, 2269, 3937, 5715, 6807, 11345, 11811, 19685, 20421, 34035, 35433, 59055, 70339, 102105, 177165, 211017, 288163, 351695, 633051, 864489, 1055085, 1440815, 2593467, 3165255, 4322445, 8933053, 12967335, 26799159, 44665265, 80397477, 133995795, 401987385]

約数ペア:

[(1, 401987385), (3, 133995795), (5, 80397477), (9, 44665265), (15, 26799159), (31, 12967335), (45, 8933053), (93, 4322445), (127, 3165255), (155, 2593467), (279, 1440815), (381, 1055085), (465, 864489), (635, 633051), (1143, 351695), (1395, 288163), (1905, 211017), (2269, 177165), (3937, 102105), (5715, 70339), (6807, 59055), (11345, 35433), (11811, 34035), (19685, 20421)]