28709589

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 42854400

約数和(自身を除く): 14144811

約数列:

[1, 3, 19, 23, 57, 61, 69, 183, 359, 437, 1077, 1159, 1311, 1403, 3477, 4209, 6821, 8257, 20463, 21899, 24771, 26657, 65697, 79971, 156883, 416081, 470649, 503677, 1248243, 1511031, 9569863, 28709589]

約数ペア:

[(1, 28709589), (3, 9569863), (19, 1511031), (23, 1248243), (57, 503677), (61, 470649), (69, 416081), (183, 156883), (359, 79971), (437, 65697), (1077, 26657), (1159, 24771), (1311, 21899), (1403, 20463), (3477, 8257), (4209, 6821)]