289778037

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 405699840

約数和(自身を除く): 115921803

約数列:

[1, 3, 41, 89, 103, 123, 257, 267, 309, 771, 3649, 4223, 9167, 10537, 10947, 12669, 22873, 26471, 27501, 31611, 68619, 79413, 375847, 937793, 1085311, 1127541, 2355919, 2813379, 3255933, 7067757, 96592679, 289778037]

約数ペア:

[(1, 289778037), (3, 96592679), (41, 7067757), (89, 3255933), (103, 2813379), (123, 2355919), (257, 1127541), (267, 1085311), (309, 937793), (771, 375847), (3649, 79413), (4223, 68619), (9167, 31611), (10537, 27501), (10947, 26471), (12669, 22873)]