71512119

素因数分解:

$3^3\times 7^2\times {\mathrm{191}}^1\times {\mathrm{283}}^1$

素因数の和:497

約数の個数: 48

約数和(自身を含む): 124323840

約数和(自身を除く): 52811721

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 191, 283, 441, 573, 849, 1323, 1337, 1719, 1981, 2547, 4011, 5157, 5943, 7641, 9359, 12033, 13867, 17829, 28077, 36099, 41601, 53487, 54053, 84231, 124803, 162159, 252693, 374409, 378371, 486477, 1135113, 1459431, 2648597, 3405339, 7945791, 10216017, 23837373, 71512119]

約数ペア:

[(1, 71512119), (3, 23837373), (7, 10216017), (9, 7945791), (21, 3405339), (27, 2648597), (49, 1459431), (63, 1135113), (147, 486477), (189, 378371), (191, 374409), (283, 252693), (441, 162159), (573, 124803), (849, 84231), (1323, 54053), (1337, 53487), (1719, 41601), (1981, 36099), (2547, 28077), (4011, 17829), (5157, 13867), (5943, 12033), (7641, 9359)]