15240147

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 23358720

約数和(自身を除く): 8118573

約数列:

[1, 3, 13, 19, 39, 57, 131, 157, 247, 393, 471, 741, 1703, 2041, 2489, 2983, 5109, 6123, 7467, 8949, 20567, 32357, 38779, 61701, 97071, 116337, 267371, 390773, 802113, 1172319, 5080049, 15240147]

約数ペア:

[(1, 15240147), (3, 5080049), (13, 1172319), (19, 802113), (39, 390773), (57, 267371), (131, 116337), (157, 97071), (247, 61701), (393, 38779), (471, 32357), (741, 20567), (1703, 8949), (2041, 7467), (2489, 6123), (2983, 5109)]