15289131

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 24208128

約数和(自身を除く): 8918997

約数列:

[1, 3, 11, 13, 33, 39, 143, 157, 227, 429, 471, 681, 1727, 2041, 2497, 2951, 5181, 6123, 7491, 8853, 22451, 32461, 35639, 67353, 97383, 106917, 392029, 463307, 1176087, 1389921, 5096377, 15289131]

約数ペア:

[(1, 15289131), (3, 5096377), (11, 1389921), (13, 1176087), (33, 463307), (39, 392029), (143, 106917), (157, 97383), (227, 67353), (429, 35639), (471, 32461), (681, 22451), (1727, 8853), (2041, 7491), (2497, 6123), (2951, 5181)]