172971383

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 203636160

約数和(自身を除く): 30664777

約数列:

[1, 13, 19, 53, 73, 181, 247, 689, 949, 1007, 1387, 2353, 3439, 3869, 9593, 13091, 13213, 18031, 44707, 50297, 73511, 124709, 171769, 182267, 251047, 700289, 955643, 2369471, 3263611, 9103757, 13305491, 172971383]

約数ペア:

[(1, 172971383), (13, 13305491), (19, 9103757), (53, 3263611), (73, 2369471), (181, 955643), (247, 700289), (689, 251047), (949, 182267), (1007, 171769), (1387, 124709), (2353, 73511), (3439, 50297), (3869, 44707), (9593, 18031), (13091, 13213)]