31603143

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 51510368

約数和(自身を除く): 19907225

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 121, 143, 181, 363, 407, 429, 481, 543, 1221, 1443, 1573, 1991, 2353, 4477, 4719, 5291, 5973, 6697, 7059, 13431, 15873, 20091, 21901, 25883, 58201, 65703, 73667, 77649, 87061, 174603, 221001, 261183, 284713, 810337, 854139, 957671, 2431011, 2873013, 10534381, 31603143]

約数ペア:

[(1, 31603143), (3, 10534381), (11, 2873013), (13, 2431011), (33, 957671), (37, 854139), (39, 810337), (111, 284713), (121, 261183), (143, 221001), (181, 174603), (363, 87061), (407, 77649), (429, 73667), (481, 65703), (543, 58201), (1221, 25883), (1443, 21901), (1573, 20091), (1991, 15873), (2353, 13431), (4477, 7059), (4719, 6697), (5291, 5973)]