72348219

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 114566400

約数和(自身を除く): 42218181

約数列:

[1, 3, 9, 19, 57, 59, 71, 101, 171, 177, 213, 303, 531, 639, 909, 1121, 1349, 1919, 3363, 4047, 4189, 5757, 5959, 7171, 10089, 12141, 12567, 17271, 17877, 21513, 37701, 53631, 64539, 79591, 113221, 136249, 238773, 339663, 408747, 423089, 716319, 1018989, 1226241, 1269267, 3807801, 8038691, 24116073, 72348219]

約数ペア:

[(1, 72348219), (3, 24116073), (9, 8038691), (19, 3807801), (57, 1269267), (59, 1226241), (71, 1018989), (101, 716319), (171, 423089), (177, 408747), (213, 339663), (303, 238773), (531, 136249), (639, 113221), (909, 79591), (1121, 64539), (1349, 53631), (1919, 37701), (3363, 21513), (4047, 17877), (4189, 17271), (5757, 12567), (5959, 12141), (7171, 10089)]