12740013

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 22800960

約数和(自身を除く): 10060947

約数列:

[1, 3, 9, 11, 13, 19, 33, 39, 57, 99, 117, 143, 171, 209, 247, 429, 521, 627, 741, 1287, 1563, 1881, 2223, 2717, 4689, 5731, 6773, 8151, 9899, 17193, 20319, 24453, 29697, 51579, 60957, 74503, 89091, 108889, 128687, 223509, 326667, 386061, 670527, 980001, 1158183, 1415557, 4246671, 12740013]

約数ペア:

[(1, 12740013), (3, 4246671), (9, 1415557), (11, 1158183), (13, 980001), (19, 670527), (33, 386061), (39, 326667), (57, 223509), (99, 128687), (117, 108889), (143, 89091), (171, 74503), (209, 60957), (247, 51579), (429, 29697), (521, 24453), (627, 20319), (741, 17193), (1287, 9899), (1563, 8151), (1881, 6773), (2223, 5731), (2717, 4689)]