26938431

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:320

約数の個数: 36

約数和(自身を含む): 42822000

約数和(自身を除く): 15883569

約数列:

[1, 3, 9, 13, 39, 89, 117, 169, 199, 267, 507, 597, 801, 1157, 1521, 1791, 2587, 3471, 7761, 10413, 15041, 17711, 23283, 33631, 45123, 53133, 100893, 135369, 159399, 230243, 302679, 690729, 2072187, 2993159, 8979477, 26938431]

約数ペア:

[(1, 26938431), (3, 8979477), (9, 2993159), (13, 2072187), (39, 690729), (89, 302679), (117, 230243), (169, 159399), (199, 135369), (267, 100893), (507, 53133), (597, 45123), (801, 33631), (1157, 23283), (1521, 17711), (1791, 15041), (2587, 10413), (3471, 7761)]