643163859

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{1471}}^1$

素因数の和:1628

約数の個数: 48

約数和(自身を含む): 1038395904

約数和(自身を除く): 395232045

約数列:

[1, 3, 9, 13, 37, 39, 101, 111, 117, 303, 333, 481, 909, 1313, 1443, 1471, 3737, 3939, 4329, 4413, 11211, 11817, 13239, 19123, 33633, 48581, 54427, 57369, 145743, 148571, 163281, 172107, 437229, 445713, 489843, 707551, 1337139, 1931423, 2122653, 5497127, 5794269, 6367959, 16491381, 17382807, 49474143, 71462651, 214387953, 643163859]

約数ペア:

[(1, 643163859), (3, 214387953), (9, 71462651), (13, 49474143), (37, 17382807), (39, 16491381), (101, 6367959), (111, 5794269), (117, 5497127), (303, 2122653), (333, 1931423), (481, 1337139), (909, 707551), (1313, 489843), (1443, 445713), (1471, 437229), (3737, 172107), (3939, 163281), (4329, 148571), (4413, 145743), (11211, 57369), (11817, 54427), (13239, 48581), (19123, 33633)]