12751641

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:155

約数の個数: 64

約数和(自身を含む): 23500800

約数和(自身を除く): 10749159

約数列:

[1, 3, 7, 9, 19, 21, 27, 53, 57, 63, 67, 133, 159, 171, 189, 201, 371, 399, 469, 477, 513, 603, 1007, 1113, 1197, 1273, 1407, 1431, 1809, 3021, 3339, 3551, 3591, 3819, 4221, 7049, 8911, 9063, 10017, 10653, 11457, 12663, 21147, 24857, 26733, 27189, 31959, 34371, 63441, 67469, 74571, 80199, 95877, 190323, 202407, 223713, 240597, 472283, 607221, 671139, 1416849, 1821663, 4250547, 12751641]

約数ペア:

[(1, 12751641), (3, 4250547), (7, 1821663), (9, 1416849), (19, 671139), (21, 607221), (27, 472283), (53, 240597), (57, 223713), (63, 202407), (67, 190323), (133, 95877), (159, 80199), (171, 74571), (189, 67469), (201, 63441), (371, 34371), (399, 31959), (469, 27189), (477, 26733), (513, 24857), (603, 21147), (1007, 12663), (1113, 11457), (1197, 10653), (1273, 10017), (1407, 9063), (1431, 8911), (1809, 7049), (3021, 4221), (3339, 3819), (3551, 3591)]