72691857

素因数分解:

$3^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2767}}^1$

素因数の和:2922

約数の個数: 32

約数和(自身を含む): 124006400

約数和(自身を除く): 51314543

約数列:

[1, 3, 7, 9, 21, 27, 63, 139, 189, 417, 973, 1251, 2767, 2919, 3753, 8301, 8757, 19369, 24903, 26271, 58107, 74709, 174321, 384613, 522963, 1153839, 2692291, 3461517, 8076873, 10384551, 24230619, 72691857]

約数ペア:

[(1, 72691857), (3, 24230619), (7, 10384551), (9, 8076873), (21, 3461517), (27, 2692291), (63, 1153839), (139, 522963), (189, 384613), (417, 174321), (973, 74709), (1251, 58107), (2767, 26271), (2919, 24903), (3753, 19369), (8301, 8757)]