209957454

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{79349}}^1$

素因数の和:79374

約数の個数: 48

約数和(自身を含む): 542754000

約数和(自身を除く): 332796546

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 79349, 158698, 238047, 476094, 555443, 714141, 1110886, 1428282, 1666329, 2142423, 3332658, 3888101, 4284846, 4998987, 7776202, 9997974, 11664303, 14996961, 23328606, 29993922, 34992909, 69985818, 104978727, 209957454]

約数ペア:

[(1, 209957454), (2, 104978727), (3, 69985818), (6, 34992909), (7, 29993922), (9, 23328606), (14, 14996961), (18, 11664303), (21, 9997974), (27, 7776202), (42, 4998987), (49, 4284846), (54, 3888101), (63, 3332658), (98, 2142423), (126, 1666329), (147, 1428282), (189, 1110886), (294, 714141), (378, 555443), (441, 476094), (882, 238047), (1323, 158698), (2646, 79349)]