90886887

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:621

約数の個数: 64

約数和(自身を含む): 168376320

約数和(自身を除く): 77489433

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 71, 91, 117, 189, 213, 273, 351, 497, 521, 639, 819, 923, 1491, 1563, 1917, 2457, 2769, 3647, 4473, 4689, 6461, 6773, 8307, 10941, 13419, 14067, 19383, 20319, 24921, 32823, 36991, 47411, 58149, 60957, 98469, 110973, 142233, 174447, 182871, 258937, 332919, 426699, 480883, 776811, 998757, 1280097, 1442649, 2330433, 3366181, 4327947, 6991299, 10098543, 12983841, 30295629, 90886887]

約数ペア:

[(1, 90886887), (3, 30295629), (7, 12983841), (9, 10098543), (13, 6991299), (21, 4327947), (27, 3366181), (39, 2330433), (63, 1442649), (71, 1280097), (91, 998757), (117, 776811), (189, 480883), (213, 426699), (273, 332919), (351, 258937), (497, 182871), (521, 174447), (639, 142233), (819, 110973), (923, 98469), (1491, 60957), (1563, 58149), (1917, 47411), (2457, 36991), (2769, 32823), (3647, 24921), (4473, 20319), (4689, 19383), (6461, 14067), (6773, 13419), (8307, 10941)]