397910691

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 634022400

約数和(自身を除く): 236111709

約数列:

[1, 3, 9, 27, 37, 43, 59, 111, 129, 157, 177, 333, 387, 471, 531, 999, 1161, 1413, 1591, 1593, 2183, 2537, 4239, 4773, 5809, 6549, 6751, 7611, 9263, 14319, 17427, 19647, 20253, 22833, 27789, 42957, 52281, 58941, 60759, 68499, 83367, 93869, 156843, 182277, 249787, 250101, 281607, 342731, 398309, 749361, 844821, 1028193, 1194927, 2248083, 2534463, 3084579, 3584781, 6744249, 9253737, 10754343, 14737433, 44212299, 132636897, 397910691]

約数ペア:

[(1, 397910691), (3, 132636897), (9, 44212299), (27, 14737433), (37, 10754343), (43, 9253737), (59, 6744249), (111, 3584781), (129, 3084579), (157, 2534463), (177, 2248083), (333, 1194927), (387, 1028193), (471, 844821), (531, 749361), (999, 398309), (1161, 342731), (1413, 281607), (1591, 250101), (1593, 249787), (2183, 182277), (2537, 156843), (4239, 93869), (4773, 83367), (5809, 68499), (6549, 60759), (6751, 58941), (7611, 52281), (9263, 42957), (14319, 27789), (17427, 22833), (19647, 20253)]