121129225

素因数分解:

$5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1621}}^1$

素因数の和:1706

約数の個数: 36

約数和(自身を含む): 177696588

約数和(自身を除く): 56567363

約数列:

[1, 5, 7, 25, 35, 49, 61, 175, 245, 305, 427, 1225, 1525, 1621, 2135, 2989, 8105, 10675, 11347, 14945, 40525, 56735, 74725, 79429, 98881, 283675, 397145, 494405, 692167, 1985725, 2472025, 3460835, 4845169, 17304175, 24225845, 121129225]

約数ペア:

[(1, 121129225), (5, 24225845), (7, 17304175), (25, 4845169), (35, 3460835), (49, 2472025), (61, 1985725), (175, 692167), (245, 494405), (305, 397145), (427, 283675), (1225, 98881), (1525, 79429), (1621, 74725), (2135, 56735), (2989, 40525), (8105, 14945), (10675, 11347)]