79917975

素因数分解:

$3^3\times 5^2\times {\mathrm{197}}^1\times {\mathrm{601}}^1$

素因数の和:817

約数の個数: 48

約数和(自身を含む): 147803040

約数和(自身を除く): 67885065

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 197, 225, 591, 601, 675, 985, 1773, 1803, 2955, 3005, 4925, 5319, 5409, 8865, 9015, 14775, 15025, 16227, 26595, 27045, 44325, 45075, 81135, 118397, 132975, 135225, 355191, 405675, 591985, 1065573, 1775955, 2959925, 3196719, 5327865, 8879775, 15983595, 26639325, 79917975]

約数ペア:

[(1, 79917975), (3, 26639325), (5, 15983595), (9, 8879775), (15, 5327865), (25, 3196719), (27, 2959925), (45, 1775955), (75, 1065573), (135, 591985), (197, 405675), (225, 355191), (591, 135225), (601, 132975), (675, 118397), (985, 81135), (1773, 45075), (1803, 44325), (2955, 27045), (3005, 26595), (4925, 16227), (5319, 15025), (5409, 14775), (8865, 9015)]