12983985

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{877}}^1$

素因数の和:942

約数の個数: 48

約数和(自身を含む): 26297856

約数和(自身を除く): 13313871

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 63, 105, 141, 235, 315, 329, 423, 705, 877, 987, 1645, 2115, 2631, 2961, 4385, 4935, 6139, 7893, 13155, 14805, 18417, 30695, 39465, 41219, 55251, 92085, 123657, 206095, 276255, 288533, 370971, 618285, 865599, 1442665, 1854855, 2596797, 4327995, 12983985]

約数ペア:

[(1, 12983985), (3, 4327995), (5, 2596797), (7, 1854855), (9, 1442665), (15, 865599), (21, 618285), (35, 370971), (45, 288533), (47, 276255), (63, 206095), (105, 123657), (141, 92085), (235, 55251), (315, 41219), (329, 39465), (423, 30695), (705, 18417), (877, 14805), (987, 13155), (1645, 7893), (2115, 6139), (2631, 4935), (2961, 4385)]