66939159

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 104924160

約数和(自身を除く): 37985001

約数列:

[1, 3, 7, 21, 53, 137, 159, 371, 411, 439, 959, 1113, 1317, 2877, 3073, 7261, 9219, 21783, 23267, 50827, 60143, 69801, 152481, 162869, 180429, 421001, 488607, 1263003, 3187579, 9562737, 22313053, 66939159]

約数ペア:

[(1, 66939159), (3, 22313053), (7, 9562737), (21, 3187579), (53, 1263003), (137, 488607), (159, 421001), (371, 180429), (411, 162869), (439, 152481), (959, 69801), (1113, 60143), (1317, 50827), (2877, 23267), (3073, 21783), (7261, 9219)]