68719977

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 107243136

約数和(自身を除く): 38523159

約数列:

[1, 3, 9, 41, 43, 61, 71, 123, 129, 183, 213, 369, 387, 549, 639, 1763, 2501, 2623, 2911, 3053, 4331, 5289, 7503, 7869, 8733, 9159, 12993, 15867, 22509, 23607, 26199, 27477, 38979, 107543, 125173, 177571, 186233, 322629, 375519, 532713, 558699, 967887, 1126557, 1598139, 1676097, 7635553, 22906659, 68719977]

約数ペア:

[(1, 68719977), (3, 22906659), (9, 7635553), (41, 1676097), (43, 1598139), (61, 1126557), (71, 967887), (123, 558699), (129, 532713), (183, 375519), (213, 322629), (369, 186233), (387, 177571), (549, 125173), (639, 107543), (1763, 38979), (2501, 27477), (2623, 26199), (2911, 23607), (3053, 22509), (4331, 15867), (5289, 12993), (7503, 9159), (7869, 8733)]