208805775

素因数分解:

$3^1\times 5^2\times {\mathrm{1427}}^1\times {\mathrm{1951}}^1$

素因数の和:3391

約数の個数: 24

約数和(自身を含む): 345644544

約数和(自身を除く): 136838769

約数列:

[1, 3, 5, 15, 25, 75, 1427, 1951, 4281, 5853, 7135, 9755, 21405, 29265, 35675, 48775, 107025, 146325, 2784077, 8352231, 13920385, 41761155, 69601925, 208805775]

約数ペア:

[(1, 208805775), (3, 69601925), (5, 41761155), (15, 13920385), (25, 8352231), (75, 2784077), (1427, 146325), (1951, 107025), (4281, 48775), (5853, 35675), (7135, 29265), (9755, 21405)]