306021947

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 415751616

約数和(自身を除く): 109729669

約数列:

[1, 7, 11, 17, 53, 77, 119, 121, 187, 371, 401, 583, 847, 901, 1309, 2057, 2807, 4081, 4411, 6307, 6413, 6817, 9911, 14399, 21253, 30877, 44891, 47719, 48521, 69377, 74987, 109021, 148771, 233783, 339647, 361301, 524909, 763147, 824857, 1636481, 2529107, 2571613, 3974311, 5773999, 18001291, 27820177, 43717421, 306021947]

約数ペア:

[(1, 306021947), (7, 43717421), (11, 27820177), (17, 18001291), (53, 5773999), (77, 3974311), (119, 2571613), (121, 2529107), (187, 1636481), (371, 824857), (401, 763147), (583, 524909), (847, 361301), (901, 339647), (1309, 233783), (2057, 148771), (2807, 109021), (4081, 74987), (4411, 69377), (6307, 48521), (6413, 47719), (6817, 44891), (9911, 30877), (14399, 21253)]