215565609

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{617}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 334135296

約数和(自身を除く): 118569687

約数列:

[1, 3, 7, 21, 127, 131, 381, 393, 617, 889, 917, 1851, 2667, 2751, 4319, 12957, 16637, 49911, 78359, 80827, 116459, 235077, 242481, 349377, 548513, 565789, 1645539, 1697367, 10265029, 30795087, 71855203, 215565609]

約数ペア:

[(1, 215565609), (3, 71855203), (7, 30795087), (21, 10265029), (127, 1697367), (131, 1645539), (381, 565789), (393, 548513), (617, 349377), (889, 242481), (917, 235077), (1851, 116459), (2667, 80827), (2751, 78359), (4319, 49911), (12957, 16637)]