254521221

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 354585600

約数和(自身を除く): 100064379

約数列:

[1, 3, 59, 89, 107, 151, 177, 267, 321, 453, 5251, 6313, 8909, 9523, 13439, 15753, 16157, 18939, 26727, 28569, 40317, 48471, 561857, 792901, 953263, 1437973, 1685571, 2378703, 2859789, 4313919, 84840407, 254521221]

約数ペア:

[(1, 254521221), (3, 84840407), (59, 4313919), (89, 2859789), (107, 2378703), (151, 1685571), (177, 1437973), (267, 953263), (321, 792901), (453, 561857), (5251, 48471), (6313, 40317), (8909, 28569), (9523, 26727), (13439, 18939), (15753, 16157)]