123450015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{4621}}^1$

素因数の和:4779

約数の個数: 32

約数和(自身を含む): 214312896

約数和(自身を除く): 90862881

約数列:

[1, 3, 5, 13, 15, 39, 65, 137, 195, 411, 685, 1781, 2055, 4621, 5343, 8905, 13863, 23105, 26715, 60073, 69315, 180219, 300365, 633077, 901095, 1899231, 3165385, 8230001, 9496155, 24690003, 41150005, 123450015]

約数ペア:

[(1, 123450015), (3, 41150005), (5, 24690003), (13, 9496155), (15, 8230001), (39, 3165385), (65, 1899231), (137, 901095), (195, 633077), (411, 300365), (685, 180219), (1781, 69315), (2055, 60073), (4621, 26715), (5343, 23105), (8905, 13863)]