71747025

素因数分解:

$3^1\times 5^2\times 7^3\times {\mathrm{2789}}^1$

素因数の和:2823

約数の個数: 48

約数和(自身を含む): 138384000

約数和(自身を除く): 66636975

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 343, 525, 735, 1029, 1225, 1715, 2789, 3675, 5145, 8367, 8575, 13945, 19523, 25725, 41835, 58569, 69725, 97615, 136661, 209175, 292845, 409983, 488075, 683305, 956627, 1464225, 2049915, 2869881, 3416525, 4783135, 10249575, 14349405, 23915675, 71747025]

約数ペア:

[(1, 71747025), (3, 23915675), (5, 14349405), (7, 10249575), (15, 4783135), (21, 3416525), (25, 2869881), (35, 2049915), (49, 1464225), (75, 956627), (105, 683305), (147, 488075), (175, 409983), (245, 292845), (343, 209175), (525, 136661), (735, 97615), (1029, 69725), (1225, 58569), (1715, 41835), (2789, 25725), (3675, 19523), (5145, 13945), (8367, 8575)]