7053921

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 12579840

約数和(自身を除く): 5525919

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 71, 83, 133, 171, 213, 249, 399, 497, 581, 639, 747, 1197, 1349, 1491, 1577, 1743, 4047, 4473, 4731, 5229, 5893, 9443, 11039, 12141, 14193, 17679, 28329, 33117, 41251, 53037, 84987, 99351, 111967, 123753, 335901, 371259, 783769, 1007703, 2351307, 7053921]

約数ペア:

[(1, 7053921), (3, 2351307), (7, 1007703), (9, 783769), (19, 371259), (21, 335901), (57, 123753), (63, 111967), (71, 99351), (83, 84987), (133, 53037), (171, 41251), (213, 33117), (249, 28329), (399, 17679), (497, 14193), (581, 12141), (639, 11039), (747, 9443), (1197, 5893), (1349, 5229), (1491, 4731), (1577, 4473), (1743, 4047)]