71130987

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 108725760

約数和(自身を除く): 37594773

約数列:

[1, 3, 9, 27, 43, 129, 197, 311, 387, 591, 933, 1161, 1773, 2799, 5319, 8397, 8471, 13373, 25413, 40119, 61267, 76239, 120357, 183801, 228717, 361071, 551403, 1654209, 2634481, 7903443, 23710329, 71130987]

約数ペア:

[(1, 71130987), (3, 23710329), (9, 7903443), (27, 2634481), (43, 1654209), (129, 551403), (197, 361071), (311, 228717), (387, 183801), (591, 120357), (933, 76239), (1161, 61267), (1773, 40119), (2799, 25413), (5319, 13373), (8397, 8471)]