157217571

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43781}}^1$

素因数の和:43816

約数の個数: 32

約数和(自身を含む): 280204800

約数和(自身を除く): 122987229

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 43781, 131343, 306467, 394029, 831839, 919401, 1182087, 2495517, 2758203, 5822873, 7486551, 8274609, 17468619, 22459653, 52405857, 157217571]

約数ペア:

[(1, 157217571), (3, 52405857), (7, 22459653), (9, 17468619), (19, 8274609), (21, 7486551), (27, 5822873), (57, 2758203), (63, 2495517), (133, 1182087), (171, 919401), (189, 831839), (399, 394029), (513, 306467), (1197, 131343), (3591, 43781)]