1620565545

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1229}}^1\times {\mathrm{5171}}^1$

素因数の和:6425

約数の個数: 32

約数和(自身を含む): 2748193920

約数和(自身を除く): 1127628375

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 1229, 3687, 5171, 6145, 15513, 18435, 20893, 25855, 62679, 77565, 87907, 104465, 263721, 313395, 439535, 1318605, 6355159, 19065477, 31775795, 95327385, 108037703, 324113109, 540188515, 1620565545]

約数ペア:

[(1, 1620565545), (3, 540188515), (5, 324113109), (15, 108037703), (17, 95327385), (51, 31775795), (85, 19065477), (255, 6355159), (1229, 1318605), (3687, 439535), (5171, 313395), (6145, 263721), (15513, 104465), (18435, 87907), (20893, 77565), (25855, 62679)]