821551257

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{12983}}^1$

素因数の和:13157

約数の個数: 24

約数和(自身を含む): 1215302400

約数和(自身を除く): 393751143

約数列:

[1, 3, 9, 79, 89, 237, 267, 711, 801, 7031, 12983, 21093, 38949, 63279, 116847, 1025657, 1155487, 3076971, 3466461, 9230913, 10399383, 91283473, 273850419, 821551257]

約数ペア:

[(1, 821551257), (3, 273850419), (9, 91283473), (79, 10399383), (89, 9230913), (237, 3466461), (267, 3076971), (711, 1155487), (801, 1025657), (7031, 116847), (12983, 63279), (21093, 38949)]