16980015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4583}}^1$

素因数の和:4623

約数の個数: 32

約数和(自身を含む): 30804480

約数和(自身を除く): 13824465

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 4583, 13749, 22915, 59579, 68745, 87077, 178737, 261231, 297895, 435385, 893685, 1132001, 1306155, 3396003, 5660005, 16980015]

約数ペア:

[(1, 16980015), (3, 5660005), (5, 3396003), (13, 1306155), (15, 1132001), (19, 893685), (39, 435385), (57, 297895), (65, 261231), (95, 178737), (195, 87077), (247, 68745), (285, 59579), (741, 22915), (1235, 13749), (3705, 4583)]