28427763

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1031}}^1$

素因数の和:1155

約数の個数: 32

約数和(自身を含む): 47158272

約数和(自身を除く): 18730509

約数列:

[1, 3, 7, 13, 21, 39, 91, 101, 273, 303, 707, 1031, 1313, 2121, 3093, 3939, 7217, 9191, 13403, 21651, 27573, 40209, 93821, 104131, 281463, 312393, 728917, 1353703, 2186751, 4061109, 9475921, 28427763]

約数ペア:

[(1, 28427763), (3, 9475921), (7, 4061109), (13, 2186751), (21, 1353703), (39, 728917), (91, 312393), (101, 281463), (273, 104131), (303, 93821), (707, 40209), (1031, 27573), (1313, 21651), (2121, 13403), (3093, 9191), (3939, 7217)]