2080778217

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{179827}}^1$

素因数の和:179885

約数の個数: 32

約数和(自身を含む): 3452697600

約数和(自身を除く): 1371919383

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 1653, 3857, 11571, 179827, 539481, 1258789, 3416713, 3776367, 5214983, 10250139, 15644949, 23916991, 36504881, 71750973, 99084677, 109514643, 297254031, 693592739, 2080778217]

約数ペア:

[(1, 2080778217), (3, 693592739), (7, 297254031), (19, 109514643), (21, 99084677), (29, 71750973), (57, 36504881), (87, 23916991), (133, 15644949), (203, 10250139), (399, 5214983), (551, 3776367), (609, 3416713), (1653, 1258789), (3857, 539481), (11571, 179827)]