209324927

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{317}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 263761920

約数和(自身を除く): 54436993

約数列:

[1, 7, 17, 31, 119, 179, 217, 317, 527, 1253, 2219, 3043, 3689, 5389, 5549, 9827, 21301, 37723, 38843, 56743, 68789, 94333, 167059, 397201, 660331, 964631, 1169413, 1759033, 6752417, 12313231, 29903561, 209324927]

約数ペア:

[(1, 209324927), (7, 29903561), (17, 12313231), (31, 6752417), (119, 1759033), (179, 1169413), (217, 964631), (317, 660331), (527, 397201), (1253, 167059), (2219, 94333), (3043, 68789), (3689, 56743), (5389, 38843), (5549, 37723), (9827, 21301)]