87902997

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2161}}^1$

素因数の和:2333

約数の個数: 32

約数和(自身を含む): 145286400

約数和(自身を除く): 57383403

約数列:

[1, 3, 7, 13, 21, 39, 91, 149, 273, 447, 1043, 1937, 2161, 3129, 5811, 6483, 13559, 15127, 28093, 40677, 45381, 84279, 196651, 321989, 589953, 965967, 2253923, 4185857, 6761769, 12557571, 29300999, 87902997]

約数ペア:

[(1, 87902997), (3, 29300999), (7, 12557571), (13, 6761769), (21, 4185857), (39, 2253923), (91, 965967), (149, 589953), (273, 321989), (447, 196651), (1043, 84279), (1937, 45381), (2161, 40677), (3129, 28093), (5811, 15127), (6483, 13559)]