128858247

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1297}}^1$

素因数の和:1412

約数の個数: 48

約数和(自身を含む): 226786560

約数和(自身を除く): 97928313

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 83, 133, 171, 249, 399, 581, 747, 1197, 1297, 1577, 1743, 3891, 4731, 5229, 9079, 11039, 11673, 14193, 24643, 27237, 33117, 73929, 81711, 99351, 107651, 172501, 221787, 322953, 517503, 753557, 968859, 1552509, 2045369, 2260671, 6136107, 6782013, 14317583, 18408321, 42952749, 128858247]

約数ペア:

[(1, 128858247), (3, 42952749), (7, 18408321), (9, 14317583), (19, 6782013), (21, 6136107), (57, 2260671), (63, 2045369), (83, 1552509), (133, 968859), (171, 753557), (249, 517503), (399, 322953), (581, 221787), (747, 172501), (1197, 107651), (1297, 99351), (1577, 81711), (1743, 73929), (3891, 33117), (4731, 27237), (5229, 24643), (9079, 14193), (11039, 11673)]