42387705

素因数分解:

$3^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1$

素因数の和:453

約数の個数: 56

約数和(自身を含む): 79089480

約数和(自身を除く): 36701775

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 243, 261, 401, 405, 435, 729, 783, 1203, 1215, 1305, 2005, 2349, 3609, 3645, 3915, 6015, 7047, 10827, 11629, 11745, 18045, 21141, 32481, 34887, 35235, 54135, 58145, 97443, 104661, 105705, 162405, 174435, 292329, 313983, 487215, 523305, 941949, 1461645, 1569915, 2825847, 4709745, 8477541, 14129235, 42387705]

約数ペア:

[(1, 42387705), (3, 14129235), (5, 8477541), (9, 4709745), (15, 2825847), (27, 1569915), (29, 1461645), (45, 941949), (81, 523305), (87, 487215), (135, 313983), (145, 292329), (243, 174435), (261, 162405), (401, 105705), (405, 104661), (435, 97443), (729, 58145), (783, 54135), (1203, 35235), (1215, 34887), (1305, 32481), (2005, 21141), (2349, 18045), (3609, 11745), (3645, 11629), (3915, 10827), (6015, 7047)]