239969145

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{271}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 438681600

約数和(自身を除く): 198712455

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 239, 247, 271, 285, 717, 741, 813, 1195, 1235, 1355, 3107, 3523, 3585, 3705, 4065, 4541, 5149, 9321, 10569, 13623, 15447, 15535, 17615, 22705, 25745, 46605, 52845, 59033, 64769, 66937, 68115, 77235, 177099, 194307, 200811, 295165, 323845, 334685, 841997, 885495, 971535, 1004055, 1230611, 2525991, 3691833, 4209985, 6153055, 12629955, 15997943, 18459165, 47993829, 79989715, 239969145]

約数ペア:

[(1, 239969145), (3, 79989715), (5, 47993829), (13, 18459165), (15, 15997943), (19, 12629955), (39, 6153055), (57, 4209985), (65, 3691833), (95, 2525991), (195, 1230611), (239, 1004055), (247, 971535), (271, 885495), (285, 841997), (717, 334685), (741, 323845), (813, 295165), (1195, 200811), (1235, 194307), (1355, 177099), (3107, 77235), (3523, 68115), (3585, 66937), (3705, 64769), (4065, 59033), (4541, 52845), (5149, 46605), (9321, 25745), (10569, 22705), (13623, 17615), (15447, 15535)]