28434861

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 52899840

約数和(自身を除く): 24464979

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 71, 91, 117, 163, 189, 213, 273, 351, 489, 497, 639, 819, 923, 1141, 1467, 1491, 1917, 2119, 2457, 2769, 3423, 4401, 4473, 6357, 6461, 8307, 10269, 11573, 13419, 14833, 19071, 19383, 24921, 30807, 34719, 44499, 57213, 58149, 81011, 104157, 133497, 150449, 174447, 243033, 312471, 400491, 451347, 729099, 1053143, 1354041, 2187297, 3159429, 4062123, 9478287, 28434861]

約数ペア:

[(1, 28434861), (3, 9478287), (7, 4062123), (9, 3159429), (13, 2187297), (21, 1354041), (27, 1053143), (39, 729099), (63, 451347), (71, 400491), (91, 312471), (117, 243033), (163, 174447), (189, 150449), (213, 133497), (273, 104157), (351, 81011), (489, 58149), (497, 57213), (639, 44499), (819, 34719), (923, 30807), (1141, 24921), (1467, 19383), (1491, 19071), (1917, 14833), (2119, 13419), (2457, 11573), (2769, 10269), (3423, 8307), (4401, 6461), (4473, 6357)]