20173127325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{440221}}^1$

素因数の和:440294

約数の個数: 48

約数和(自身を含む): 36682818816

約数和(自身を除く): 16509691491

約数列:

[1, 3, 5, 13, 15, 25, 39, 47, 65, 75, 141, 195, 235, 325, 611, 705, 975, 1175, 1833, 3055, 3525, 9165, 15275, 45825, 440221, 1320663, 2201105, 5722873, 6603315, 11005525, 17168619, 20690387, 28614365, 33016575, 62071161, 85843095, 103451935, 143071825, 268975031, 310355805, 429215475, 517259675, 806925093, 1344875155, 1551779025, 4034625465, 6724375775, 20173127325]

約数ペア:

[(1, 20173127325), (3, 6724375775), (5, 4034625465), (13, 1551779025), (15, 1344875155), (25, 806925093), (39, 517259675), (47, 429215475), (65, 310355805), (75, 268975031), (141, 143071825), (195, 103451935), (235, 85843095), (325, 62071161), (611, 33016575), (705, 28614365), (975, 20690387), (1175, 17168619), (1833, 11005525), (3055, 6603315), (3525, 5722873), (9165, 2201105), (15275, 1320663), (45825, 440221)]