219778839

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{151}}^2$

素因数の和:338

約数の個数: 60

約数和(自身を含む): 399933072

約数和(自身を除く): 180154233

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 151, 153, 189, 357, 453, 459, 567, 1057, 1071, 1359, 1377, 2567, 3171, 3213, 4077, 7701, 9513, 9639, 12231, 17969, 22801, 23103, 28539, 53907, 68403, 69309, 85617, 159607, 161721, 205209, 207927, 387617, 478821, 485163, 615627, 1162851, 1436463, 1455489, 1846881, 2713319, 3488553, 4309389, 8139957, 10465659, 12928167, 24419871, 31396977, 73259613, 219778839]

約数ペア:

[(1, 219778839), (3, 73259613), (7, 31396977), (9, 24419871), (17, 12928167), (21, 10465659), (27, 8139957), (51, 4309389), (63, 3488553), (81, 2713319), (119, 1846881), (151, 1455489), (153, 1436463), (189, 1162851), (357, 615627), (453, 485163), (459, 478821), (567, 387617), (1057, 207927), (1071, 205209), (1359, 161721), (1377, 159607), (2567, 85617), (3171, 69309), (3213, 68403), (4077, 53907), (7701, 28539), (9513, 23103), (9639, 22801), (12231, 17969)]