978237273

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{31393}}^1$

素因数の和:31473

約数の個数: 32

約数和(自身を含む): 1518967296

約数和(自身を除く): 540730023

約数列:

[1, 3, 13, 17, 39, 47, 51, 141, 221, 611, 663, 799, 1833, 2397, 10387, 31161, 31393, 94179, 408109, 533681, 1224327, 1475471, 1601043, 4426413, 6937853, 19181123, 20813559, 25083007, 57543369, 75249021, 326079091, 978237273]

約数ペア:

[(1, 978237273), (3, 326079091), (13, 75249021), (17, 57543369), (39, 25083007), (47, 20813559), (51, 19181123), (141, 6937853), (221, 4426413), (611, 1601043), (663, 1475471), (799, 1224327), (1833, 533681), (2397, 408109), (10387, 94179), (31161, 31393)]