28703493

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{347}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 51682176

約数和(自身を除く): 22978683

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 101, 117, 273, 303, 347, 707, 819, 909, 1041, 1313, 2121, 2429, 3123, 3939, 4511, 6363, 7287, 9191, 11817, 13533, 21861, 27573, 31577, 35047, 40599, 82719, 94731, 105141, 245329, 284193, 315423, 455611, 735987, 1366833, 2207961, 3189277, 4100499, 9567831, 28703493]

約数ペア:

[(1, 28703493), (3, 9567831), (7, 4100499), (9, 3189277), (13, 2207961), (21, 1366833), (39, 735987), (63, 455611), (91, 315423), (101, 284193), (117, 245329), (273, 105141), (303, 94731), (347, 82719), (707, 40599), (819, 35047), (909, 31577), (1041, 27573), (1313, 21861), (2121, 13533), (2429, 11817), (3123, 9191), (3939, 7287), (4511, 6363)]