31593267

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 48916800

約数和(自身を除く): 17323533

約数列:

[1, 3, 9, 27, 29, 87, 157, 257, 261, 471, 771, 783, 1413, 2313, 4239, 4553, 6939, 7453, 13659, 22359, 40349, 40977, 67077, 121047, 122931, 201231, 363141, 1089423, 1170121, 3510363, 10531089, 31593267]

約数ペア:

[(1, 31593267), (3, 10531089), (9, 3510363), (27, 1170121), (29, 1089423), (87, 363141), (157, 201231), (257, 122931), (261, 121047), (471, 67077), (771, 40977), (783, 40349), (1413, 22359), (2313, 13659), (4239, 7453), (4553, 6939)]