74789487

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{13781}}^1$

素因数の和:13860

約数の個数: 20

約数和(自身を含む): 113398296

約数和(自身を除く): 38608809

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 13781, 41343, 124029, 372087, 923327, 1116261, 2769981, 8309943, 24929829, 74789487]

約数ペア:

[(1, 74789487), (3, 24929829), (9, 8309943), (27, 2769981), (67, 1116261), (81, 923327), (201, 372087), (603, 124029), (1809, 41343), (5427, 13781)]