128784465

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{20297}}^1$

素因数の和:20358

約数の個数: 32

約数和(自身を含む): 233832960

約数和(自身を除く): 105048495

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 705, 1269, 2115, 6345, 20297, 60891, 101485, 182673, 304455, 548019, 913365, 953959, 2740095, 2861877, 4769795, 8585631, 14309385, 25756893, 42928155, 128784465]

約数ペア:

[(1, 128784465), (3, 42928155), (5, 25756893), (9, 14309385), (15, 8585631), (27, 4769795), (45, 2861877), (47, 2740095), (135, 953959), (141, 913365), (235, 548019), (423, 304455), (705, 182673), (1269, 101485), (2115, 60891), (6345, 20297)]