399967367049

素因数分解:

$3^7\times {\mathrm{257}}^1\times {\mathrm{349}}^1\times {\mathrm{2039}}^1$

素因数の和:2666

約数の個数: 64

約数和(自身を含む): 604215360000

約数和(自身を除く): 204247992951

約数列:

[1, 3, 9, 27, 81, 243, 257, 349, 729, 771, 1047, 2039, 2187, 2313, 3141, 6117, 6939, 9423, 18351, 20817, 28269, 55053, 62451, 84807, 89693, 165159, 187353, 254421, 269079, 495477, 524023, 562059, 711611, 763263, 807237, 1486431, 1572069, 2134833, 2421711, 4459293, 4716207, 6404499, 7265133, 14148621, 19213497, 21795399, 42445863, 57640491, 65386197, 127337589, 172921473, 182884027, 196158591, 382012767, 518764419, 548652081, 1146038301, 1556293257, 1645956243, 4937868729, 14813606187, 44440818561, 133322455683, 399967367049]

約数ペア:

[(1, 399967367049), (3, 133322455683), (9, 44440818561), (27, 14813606187), (81, 4937868729), (243, 1645956243), (257, 1556293257), (349, 1146038301), (729, 548652081), (771, 518764419), (1047, 382012767), (2039, 196158591), (2187, 182884027), (2313, 172921473), (3141, 127337589), (6117, 65386197), (6939, 57640491), (9423, 42445863), (18351, 21795399), (20817, 19213497), (28269, 14148621), (55053, 7265133), (62451, 6404499), (84807, 4716207), (89693, 4459293), (165159, 2421711), (187353, 2134833), (254421, 1572069), (269079, 1486431), (495477, 807237), (524023, 763263), (562059, 711611)]