131283810

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{208387}}^1$

素因数の和:208407

約数の個数: 48

約数和(自身を含む): 390102336

約数和(自身を除く): 258818526

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 208387, 416774, 625161, 1041935, 1250322, 1458709, 1875483, 2083870, 2917418, 3125805, 3750966, 4376127, 6251610, 7293545, 8752254, 9377415, 13128381, 14587090, 18754830, 21880635, 26256762, 43761270, 65641905, 131283810]

約数ペア:

[(1, 131283810), (2, 65641905), (3, 43761270), (5, 26256762), (6, 21880635), (7, 18754830), (9, 14587090), (10, 13128381), (14, 9377415), (15, 8752254), (18, 7293545), (21, 6251610), (30, 4376127), (35, 3750966), (42, 3125805), (45, 2917418), (63, 2083870), (70, 1875483), (90, 1458709), (105, 1250322), (126, 1041935), (210, 625161), (315, 416774), (630, 208387)]