79620921

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1667}}^1$

素因数の和:1766

約数の個数: 32

約数和(自身を含む): 124099200

約数和(自身を除く): 44478279

約数列:

[1, 3, 9, 27, 29, 61, 87, 183, 261, 549, 783, 1647, 1667, 1769, 5001, 5307, 15003, 15921, 45009, 47763, 48343, 101687, 145029, 305061, 435087, 915183, 1305261, 2745549, 2948923, 8846769, 26540307, 79620921]

約数ペア:

[(1, 79620921), (3, 26540307), (9, 8846769), (27, 2948923), (29, 2745549), (61, 1305261), (87, 915183), (183, 435087), (261, 305061), (549, 145029), (783, 101687), (1647, 48343), (1667, 47763), (1769, 45009), (5001, 15921), (5307, 15003)]