289293471

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:525

約数の個数: 64

約数和(自身を含む): 481766400

約数和(自身を除く): 192472929

約数列:

[1, 3, 9, 17, 23, 27, 51, 67, 69, 153, 201, 207, 391, 409, 459, 603, 621, 1139, 1173, 1227, 1541, 1809, 3417, 3519, 3681, 4623, 6953, 9407, 10251, 10557, 11043, 13869, 20859, 26197, 27403, 28221, 30753, 41607, 62577, 78591, 82209, 84663, 159919, 187731, 235773, 246627, 253989, 465851, 479757, 630269, 707319, 739881, 1397553, 1439271, 1890807, 4192659, 4317813, 5672421, 10714573, 12577977, 17017263, 32143719, 96431157, 289293471]

約数ペア:

[(1, 289293471), (3, 96431157), (9, 32143719), (17, 17017263), (23, 12577977), (27, 10714573), (51, 5672421), (67, 4317813), (69, 4192659), (153, 1890807), (201, 1439271), (207, 1397553), (391, 739881), (409, 707319), (459, 630269), (603, 479757), (621, 465851), (1139, 253989), (1173, 246627), (1227, 235773), (1541, 187731), (1809, 159919), (3417, 84663), (3519, 82209), (3681, 78591), (4623, 62577), (6953, 41607), (9407, 30753), (10251, 28221), (10557, 27403), (11043, 26197), (13869, 20859)]