13139181

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 22621248

約数和(自身を除く): 9482067

約数列:

[1, 3, 9, 11, 17, 33, 37, 51, 99, 111, 153, 187, 211, 333, 407, 561, 629, 633, 1221, 1683, 1887, 1899, 2321, 3587, 3663, 5661, 6919, 6963, 7807, 10761, 20757, 20889, 23421, 32283, 39457, 62271, 70263, 85877, 118371, 132719, 257631, 355113, 398157, 772893, 1194471, 1459909, 4379727, 13139181]

約数ペア:

[(1, 13139181), (3, 4379727), (9, 1459909), (11, 1194471), (17, 772893), (33, 398157), (37, 355113), (51, 257631), (99, 132719), (111, 118371), (153, 85877), (187, 70263), (211, 62271), (333, 39457), (407, 32283), (561, 23421), (629, 20889), (633, 20757), (1221, 10761), (1683, 7807), (1887, 6963), (1899, 6919), (2321, 5661), (3587, 3663)]