279270747

素因数分解:

$3^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{4139}}^1$

素因数の和:4182

約数の個数: 60

約数和(自身を含む): 513964440

約数和(自身を除く): 234693693

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 81, 119, 147, 153, 189, 357, 441, 459, 567, 833, 1071, 1323, 1377, 2499, 3213, 3969, 4139, 7497, 9639, 12417, 22491, 28973, 37251, 67473, 70363, 86919, 111753, 202811, 211089, 260757, 335259, 492541, 608433, 633267, 782271, 1477623, 1825299, 1899801, 2346813, 3447787, 4432869, 5475897, 5699403, 10343361, 13298607, 16427691, 31030083, 39895821, 93090249, 279270747]

約数ペア:

[(1, 279270747), (3, 93090249), (7, 39895821), (9, 31030083), (17, 16427691), (21, 13298607), (27, 10343361), (49, 5699403), (51, 5475897), (63, 4432869), (81, 3447787), (119, 2346813), (147, 1899801), (153, 1825299), (189, 1477623), (357, 782271), (441, 633267), (459, 608433), (567, 492541), (833, 335259), (1071, 260757), (1323, 211089), (1377, 202811), (2499, 111753), (3213, 86919), (3969, 70363), (4139, 67473), (7497, 37251), (9639, 28973), (12417, 22491)]