16664697

素因数分解:

$3^5\times 7^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 29108352

約数和(自身を除く): 12443655

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 97, 101, 189, 243, 291, 303, 567, 679, 707, 873, 909, 1701, 2037, 2121, 2619, 2727, 6111, 6363, 7857, 8181, 9797, 18333, 19089, 23571, 24543, 29391, 54999, 57267, 68579, 88173, 164997, 171801, 205737, 264519, 617211, 793557, 1851633, 2380671, 5554899, 16664697]

約数ペア:

[(1, 16664697), (3, 5554899), (7, 2380671), (9, 1851633), (21, 793557), (27, 617211), (63, 264519), (81, 205737), (97, 171801), (101, 164997), (189, 88173), (243, 68579), (291, 57267), (303, 54999), (567, 29391), (679, 24543), (707, 23571), (873, 19089), (909, 18333), (1701, 9797), (2037, 8181), (2121, 7857), (2619, 6363), (2727, 6111)]