991955675613

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1597}}^1\times {\mathrm{212791}}^1$

素因数の和:214537

約数の個数: 32

約数和(自身を含む): 1523386439680

約数和(自身を除く): 531430764067

約数列:

[1, 3, 7, 21, 139, 417, 973, 1597, 2919, 4791, 11179, 33537, 212791, 221983, 638373, 665949, 1489537, 1553881, 4468611, 4661643, 29577949, 88733847, 207045643, 339827227, 621136929, 1019481681, 2378790589, 7136371767, 47235984553, 141707953659, 330651891871, 991955675613]

約数ペア:

[(1, 991955675613), (3, 330651891871), (7, 141707953659), (21, 47235984553), (139, 7136371767), (417, 2378790589), (973, 1019481681), (1597, 621136929), (2919, 339827227), (4791, 207045643), (11179, 88733847), (33537, 29577949), (212791, 4661643), (221983, 4468611), (638373, 1553881), (665949, 1489537)]