565515531

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{353}}^1\times {\mathrm{431}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 954270720

約数和(自身を除く): 388755189

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 353, 413, 431, 531, 1059, 1239, 1293, 2471, 3017, 3177, 3717, 3879, 7413, 9051, 20827, 22239, 25429, 27153, 62481, 76287, 145789, 152143, 178003, 187443, 228861, 437367, 456429, 534009, 1065001, 1312101, 1369287, 1602027, 3195003, 8976437, 9585009, 26929311, 62835059, 80787933, 188505177, 565515531]

約数ペア:

[(1, 565515531), (3, 188505177), (7, 80787933), (9, 62835059), (21, 26929311), (59, 9585009), (63, 8976437), (177, 3195003), (353, 1602027), (413, 1369287), (431, 1312101), (531, 1065001), (1059, 534009), (1239, 456429), (1293, 437367), (2471, 228861), (3017, 187443), (3177, 178003), (3717, 152143), (3879, 145789), (7413, 76287), (9051, 62481), (20827, 27153), (22239, 25429)]