77428827

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{563}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 133735680

約数和(自身を除く): 56306853

約数列:

[1, 3, 7, 9, 21, 37, 59, 63, 111, 177, 259, 333, 413, 531, 563, 777, 1239, 1689, 2183, 2331, 3717, 3941, 5067, 6549, 11823, 15281, 19647, 20831, 33217, 35469, 45843, 62493, 99651, 137529, 145817, 187479, 232519, 298953, 437451, 697557, 1229029, 1312353, 2092671, 3687087, 8603203, 11061261, 25809609, 77428827]

約数ペア:

[(1, 77428827), (3, 25809609), (7, 11061261), (9, 8603203), (21, 3687087), (37, 2092671), (59, 1312353), (63, 1229029), (111, 697557), (177, 437451), (259, 298953), (333, 232519), (413, 187479), (531, 145817), (563, 137529), (777, 99651), (1239, 62493), (1689, 45843), (2183, 35469), (2331, 33217), (3717, 20831), (3941, 19647), (5067, 15281), (6549, 11823)]