6439875

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1321}}^1$

素因数の和:1352

約数の個数: 32

約数和(自身を含む): 11548992

約数和(自身を除く): 5109117

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1321, 1625, 3963, 4875, 6605, 17173, 19815, 33025, 51519, 85865, 99075, 165125, 257595, 429325, 495375, 1287975, 2146625, 6439875]

約数ペア:

[(1, 6439875), (3, 2146625), (5, 1287975), (13, 495375), (15, 429325), (25, 257595), (39, 165125), (65, 99075), (75, 85865), (125, 51519), (195, 33025), (325, 19815), (375, 17173), (975, 6605), (1321, 4875), (1625, 3963)]