71921031

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{569}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 118487040

約数和(自身を除く): 46566009

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 463, 569, 1389, 1707, 3241, 3983, 6019, 7397, 9723, 11949, 18057, 22191, 42133, 51779, 126399, 155337, 263447, 790341, 1844129, 3424811, 5532387, 10274433, 23973677, 71921031]

約数ペア:

[(1, 71921031), (3, 23973677), (7, 10274433), (13, 5532387), (21, 3424811), (39, 1844129), (91, 790341), (273, 263447), (463, 155337), (569, 126399), (1389, 51779), (1707, 42133), (3241, 22191), (3983, 18057), (6019, 11949), (7397, 9723)]