398925872127

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{1279}}^1\times {\mathrm{202667}}^1$

素因数の和:203977

約数の個数: 40

約数和(自身を含む): 627784396800

約数和(自身を除く): 228858524673

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1279, 1539, 3837, 11511, 24301, 34533, 72903, 103599, 202667, 218709, 608001, 656127, 1824003, 1968381, 3850673, 5472009, 11552019, 16416027, 34656057, 103968171, 259211093, 311904513, 777633279, 2332899837, 4925010767, 6998699511, 14775032301, 20996098533, 44325096903, 132975290709, 398925872127]

約数ペア:

[(1, 398925872127), (3, 132975290709), (9, 44325096903), (19, 20996098533), (27, 14775032301), (57, 6998699511), (81, 4925010767), (171, 2332899837), (513, 777633279), (1279, 311904513), (1539, 259211093), (3837, 103968171), (11511, 34656057), (24301, 16416027), (34533, 11552019), (72903, 5472009), (103599, 3850673), (202667, 1968381), (218709, 1824003), (608001, 656127)]