1620565551

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{68491}}^1$

素因数の和:68747

約数の個数: 24

約数和(自身を含む): 2564340480

約数和(自身を除く): 943774929

約数列:

[1, 3, 9, 11, 33, 99, 239, 717, 2151, 2629, 7887, 23661, 68491, 205473, 616419, 753401, 2260203, 6780609, 16369349, 49108047, 147324141, 180062839, 540188517, 1620565551]

約数ペア:

[(1, 1620565551), (3, 540188517), (9, 180062839), (11, 147324141), (33, 49108047), (99, 16369349), (239, 6780609), (717, 2260203), (2151, 753401), (2629, 616419), (7887, 205473), (23661, 68491)]