25223919

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 39688704

約数和(自身を除く): 14464785

約数列:

[1, 3, 7, 21, 53, 131, 159, 173, 371, 393, 519, 917, 1113, 1211, 2751, 3633, 6943, 9169, 20829, 22663, 27507, 48601, 64183, 67989, 145803, 158641, 192549, 475923, 1201139, 3603417, 8407973, 25223919]

約数ペア:

[(1, 25223919), (3, 8407973), (7, 3603417), (21, 1201139), (53, 475923), (131, 192549), (159, 158641), (173, 145803), (371, 67989), (393, 64183), (519, 48601), (917, 27507), (1113, 22663), (1211, 20829), (2751, 9169), (3633, 6943)]