71209307967

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{659}}^1\times {\mathrm{19867}}^1$

素因数の和:20580

約数の個数: 48

約数和(自身を含む): 113609992320

約数和(自身を除く): 42400684353

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 659, 777, 1813, 1977, 4613, 5439, 13839, 19867, 24383, 32291, 59601, 73149, 96873, 139069, 170681, 417207, 512043, 735079, 973483, 1194767, 2205237, 2920449, 3584301, 5145553, 13092353, 15436659, 36018871, 39277059, 91646471, 108056613, 274939413, 484417061, 641525297, 1453251183, 1924575891, 3390919427, 10172758281, 23736435989, 71209307967]

約数ペア:

[(1, 71209307967), (3, 23736435989), (7, 10172758281), (21, 3390919427), (37, 1924575891), (49, 1453251183), (111, 641525297), (147, 484417061), (259, 274939413), (659, 108056613), (777, 91646471), (1813, 39277059), (1977, 36018871), (4613, 15436659), (5439, 13092353), (13839, 5145553), (19867, 3584301), (24383, 2920449), (32291, 2205237), (59601, 1194767), (73149, 973483), (96873, 735079), (139069, 512043), (170681, 417207)]