254131521

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{22963}}^1$

素因数の和:23021

約数の個数: 32

約数和(自身を含む): 423272448

約数和(自身を除く): 169140927

約数列:

[1, 3, 7, 17, 21, 31, 51, 93, 119, 217, 357, 527, 651, 1581, 3689, 11067, 22963, 68889, 160741, 390371, 482223, 711853, 1171113, 2135559, 2732597, 4982971, 8197791, 12101501, 14948913, 36304503, 84710507, 254131521]

約数ペア:

[(1, 254131521), (3, 84710507), (7, 36304503), (17, 14948913), (21, 12101501), (31, 8197791), (51, 4982971), (93, 2732597), (119, 2135559), (217, 1171113), (357, 711853), (527, 482223), (651, 390371), (1581, 160741), (3689, 68889), (11067, 22963)]