331335558

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{2423}}^1$

素因数の和:2609

約数の個数: 48

約数和(自身を含む): 735111936

約数和(自身を除く): 403776378

約数列:

[1, 2, 3, 6, 9, 18, 71, 107, 142, 213, 214, 321, 426, 639, 642, 963, 1278, 1926, 2423, 4846, 7269, 7597, 14538, 15194, 21807, 22791, 43614, 45582, 68373, 136746, 172033, 259261, 344066, 516099, 518522, 777783, 1032198, 1548297, 1555566, 2333349, 3096594, 4666698, 18407531, 36815062, 55222593, 110445186, 165667779, 331335558]

約数ペア:

[(1, 331335558), (2, 165667779), (3, 110445186), (6, 55222593), (9, 36815062), (18, 18407531), (71, 4666698), (107, 3096594), (142, 2333349), (213, 1555566), (214, 1548297), (321, 1032198), (426, 777783), (639, 518522), (642, 516099), (963, 344066), (1278, 259261), (1926, 172033), (2423, 136746), (4846, 68373), (7269, 45582), (7597, 43614), (14538, 22791), (15194, 21807)]