204515913

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{1327}}^1$

素因数の和:1557

約数の個数: 32

約数和(自身を含む): 321269760

約数和(自身を除く): 116753847

約数列:

[1, 3, 7, 21, 41, 123, 179, 287, 537, 861, 1253, 1327, 3759, 3981, 7339, 9289, 22017, 27867, 51373, 54407, 154119, 163221, 237533, 380849, 712599, 1142547, 1662731, 4988193, 9738853, 29216559, 68171971, 204515913]

約数ペア:

[(1, 204515913), (3, 68171971), (7, 29216559), (21, 9738853), (41, 4988193), (123, 1662731), (179, 1142547), (287, 712599), (537, 380849), (861, 237533), (1253, 163221), (1327, 154119), (3759, 54407), (3981, 51373), (7339, 27867), (9289, 22017)]