663138

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:311

約数の個数: 48

約数和(自身を含む): 1734720

約数和(自身を除く): 1071582

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 277, 342, 399, 554, 798, 831, 1197, 1662, 1939, 2394, 2493, 3878, 4986, 5263, 5817, 10526, 11634, 15789, 17451, 31578, 34902, 36841, 47367, 73682, 94734, 110523, 221046, 331569, 663138]

約数ペア:

[(1, 663138), (2, 331569), (3, 221046), (6, 110523), (7, 94734), (9, 73682), (14, 47367), (18, 36841), (19, 34902), (21, 31578), (38, 17451), (42, 15789), (57, 11634), (63, 10526), (114, 5817), (126, 5263), (133, 4986), (171, 3878), (266, 2493), (277, 2394), (342, 1939), (399, 1662), (554, 1197), (798, 831)]