71491815

素因数分解:

$3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2029}}^1$

素因数の和:2078

約数の個数: 48

約数和(自身を含む): 133005600

約数和(自身を除く): 61513785

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 243, 261, 405, 435, 783, 1215, 1305, 2029, 2349, 3915, 6087, 7047, 10145, 11745, 18261, 30435, 35235, 54783, 58841, 91305, 164349, 176523, 273915, 294205, 493047, 529569, 821745, 882615, 1588707, 2465235, 2647845, 4766121, 7943535, 14298363, 23830605, 71491815]

約数ペア:

[(1, 71491815), (3, 23830605), (5, 14298363), (9, 7943535), (15, 4766121), (27, 2647845), (29, 2465235), (45, 1588707), (81, 882615), (87, 821745), (135, 529569), (145, 493047), (243, 294205), (261, 273915), (405, 176523), (435, 164349), (783, 91305), (1215, 58841), (1305, 54783), (2029, 35235), (2349, 30435), (3915, 18261), (6087, 11745), (7047, 10145)]