646248045

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{28703}}^1$

素因数の和:28809

約数の個数: 32

約数和(自身を含む): 1102233600

約数和(自身を除く): 455985555

約数列:

[1, 3, 5, 15, 19, 57, 79, 95, 237, 285, 395, 1185, 1501, 4503, 7505, 22515, 28703, 86109, 143515, 430545, 545357, 1636071, 2267537, 2726785, 6802611, 8180355, 11337685, 34013055, 43083203, 129249609, 215416015, 646248045]

約数ペア:

[(1, 646248045), (3, 215416015), (5, 129249609), (15, 43083203), (19, 34013055), (57, 11337685), (79, 8180355), (95, 6802611), (237, 2726785), (285, 2267537), (395, 1636071), (1185, 545357), (1501, 430545), (4503, 143515), (7505, 86109), (22515, 28703)]