667014741

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{557}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 1044576000

約数和(自身を除く): 377561259

約数列:

[1, 3, 9, 19, 47, 57, 141, 149, 171, 423, 447, 557, 893, 1341, 1671, 2679, 2831, 5013, 7003, 8037, 8493, 10583, 21009, 25479, 26179, 31749, 63027, 78537, 82993, 95247, 133057, 235611, 248979, 399171, 497401, 746937, 1197513, 1492203, 1576867, 3900671, 4476609, 4730601, 11702013, 14191803, 35106039, 74112749, 222338247, 667014741]

約数ペア:

[(1, 667014741), (3, 222338247), (9, 74112749), (19, 35106039), (47, 14191803), (57, 11702013), (141, 4730601), (149, 4476609), (171, 3900671), (423, 1576867), (447, 1492203), (557, 1197513), (893, 746937), (1341, 497401), (1671, 399171), (2679, 248979), (2831, 235611), (5013, 133057), (7003, 95247), (8037, 82993), (8493, 78537), (10583, 63027), (21009, 31749), (25479, 26179)]