27820177

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 37511424

約数和(自身を除く): 9691247

約数列:

[1, 7, 11, 17, 53, 77, 119, 187, 371, 401, 583, 901, 1309, 2807, 4081, 4411, 6307, 6817, 9911, 21253, 30877, 47719, 69377, 74987, 148771, 233783, 361301, 524909, 1636481, 2529107, 3974311, 27820177]

約数ペア:

[(1, 27820177), (7, 3974311), (11, 2529107), (17, 1636481), (53, 524909), (77, 361301), (119, 233783), (187, 148771), (371, 74987), (401, 69377), (583, 47719), (901, 30877), (1309, 21253), (2807, 9911), (4081, 6817), (4411, 6307)]