28635789

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3617}}^1$

素因数の和:3669

約数の個数: 32

約数和(自身を含む): 48625920

約数和(自身を除く): 19990131

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2639, 3617, 7917, 10851, 25319, 47021, 75957, 104893, 141063, 314679, 329147, 734251, 987441, 1363609, 2202753, 4090827, 9545263, 28635789]

約数ペア:

[(1, 28635789), (3, 9545263), (7, 4090827), (13, 2202753), (21, 1363609), (29, 987441), (39, 734251), (87, 329147), (91, 314679), (203, 141063), (273, 104893), (377, 75957), (609, 47021), (1131, 25319), (2639, 10851), (3617, 7917)]