27987855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{14029}}^1$

素因数の和:14063

約数の個数: 32

約数和(自身を含む): 53875200

約数和(自身を除く): 25887345

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 14029, 42087, 70145, 98203, 210435, 266551, 294609, 491015, 799653, 1332755, 1473045, 1865857, 3998265, 5597571, 9329285, 27987855]

約数ペア:

[(1, 27987855), (3, 9329285), (5, 5597571), (7, 3998265), (15, 1865857), (19, 1473045), (21, 1332755), (35, 799653), (57, 491015), (95, 294609), (105, 266551), (133, 210435), (285, 98203), (399, 70145), (665, 42087), (1995, 14029)]