72805143

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{337}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 105910272

約数和(自身を除く): 33105129

約数列:

[1, 3, 23, 31, 69, 93, 101, 303, 337, 713, 1011, 2139, 2323, 3131, 6969, 7751, 9393, 10447, 23253, 31341, 34037, 72013, 102111, 216039, 240281, 720843, 782851, 1055147, 2348553, 3165441, 24268381, 72805143]

約数ペア:

[(1, 72805143), (3, 24268381), (23, 3165441), (31, 2348553), (69, 1055147), (93, 782851), (101, 720843), (303, 240281), (337, 216039), (713, 102111), (1011, 72013), (2139, 34037), (2323, 31341), (3131, 23253), (6969, 10447), (7751, 9393)]