488687565

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1\times {\mathrm{1381}}^1$

素因数の和:2181

約数の個数: 32

約数和(自身を含む): 808768512

約数和(自身を除く): 320080947

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 761, 1381, 2283, 3805, 4143, 6905, 11415, 20715, 23591, 42811, 70773, 117955, 128433, 214055, 353865, 642165, 1050941, 3152823, 5254705, 15764115, 32579171, 97737513, 162895855, 488687565]

約数ペア:

[(1, 488687565), (3, 162895855), (5, 97737513), (15, 32579171), (31, 15764115), (93, 5254705), (155, 3152823), (465, 1050941), (761, 642165), (1381, 353865), (2283, 214055), (3805, 128433), (4143, 117955), (6905, 70773), (11415, 42811), (20715, 23591)]