15685241

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 20321280

約数和(自身を除く): 4636039

約数列:

[1, 11, 13, 19, 23, 143, 209, 247, 251, 253, 299, 437, 2717, 2761, 3263, 3289, 4769, 4807, 5681, 5773, 35893, 52459, 61997, 62491, 63503, 75049, 109687, 681967, 825539, 1206557, 1425931, 15685241]

約数ペア:

[(1, 15685241), (11, 1425931), (13, 1206557), (19, 825539), (23, 681967), (143, 109687), (209, 75049), (247, 63503), (251, 62491), (253, 61997), (299, 52459), (437, 35893), (2717, 5773), (2761, 5681), (3263, 4807), (3289, 4769)]