28676505

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 55883520

約数和(自身を除く): 27207015

約数列:

[1, 3, 5, 11, 13, 15, 29, 33, 39, 55, 65, 87, 143, 145, 165, 195, 319, 377, 429, 435, 461, 715, 957, 1131, 1383, 1595, 1885, 2145, 2305, 4147, 4785, 5071, 5655, 5993, 6915, 12441, 13369, 15213, 17979, 20735, 25355, 29965, 40107, 62205, 65923, 66845, 76065, 89895, 147059, 173797, 197769, 200535, 329615, 441177, 521391, 735295, 868985, 988845, 1911767, 2205885, 2606955, 5735301, 9558835, 28676505]

約数ペア:

[(1, 28676505), (3, 9558835), (5, 5735301), (11, 2606955), (13, 2205885), (15, 1911767), (29, 988845), (33, 868985), (39, 735295), (55, 521391), (65, 441177), (87, 329615), (143, 200535), (145, 197769), (165, 173797), (195, 147059), (319, 89895), (377, 76065), (429, 66845), (435, 65923), (461, 62205), (715, 40107), (957, 29965), (1131, 25355), (1383, 20735), (1595, 17979), (1885, 15213), (2145, 13369), (2305, 12441), (4147, 6915), (4785, 5993), (5071, 5655)]