51982077

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 82080000

約数和(自身を除く): 30097923

約数列:

[1, 3, 7, 21, 37, 111, 149, 259, 447, 449, 777, 1043, 1347, 3129, 3143, 5513, 9429, 16539, 16613, 38591, 49839, 66901, 115773, 116291, 200703, 348873, 468307, 1404921, 2475337, 7426011, 17327359, 51982077]

約数ペア:

[(1, 51982077), (3, 17327359), (7, 7426011), (21, 2475337), (37, 1404921), (111, 468307), (149, 348873), (259, 200703), (447, 116291), (449, 115773), (777, 66901), (1043, 49839), (1347, 38591), (3129, 16613), (3143, 16539), (5513, 9429)]