30126987

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 50409216

約数和(自身を除く): 20282229

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 101, 131, 207, 253, 303, 393, 759, 909, 1111, 1179, 1441, 2277, 2323, 3013, 3333, 4323, 6969, 9039, 9999, 12969, 13231, 20907, 25553, 27117, 33143, 39693, 76659, 99429, 119079, 145541, 229977, 298287, 304313, 436623, 912939, 1309869, 2738817, 3347443, 10042329, 30126987]

約数ペア:

[(1, 30126987), (3, 10042329), (9, 3347443), (11, 2738817), (23, 1309869), (33, 912939), (69, 436623), (99, 304313), (101, 298287), (131, 229977), (207, 145541), (253, 119079), (303, 99429), (393, 76659), (759, 39693), (909, 33143), (1111, 27117), (1179, 25553), (1441, 20907), (2277, 13231), (2323, 12969), (3013, 9999), (3333, 9039), (4323, 6969)]