28626255

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4783}}^1$

素因数の和:4820

約数の個数: 48

約数和(自身を含む): 59704320

約数和(自身を除く): 31078065

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 4783, 5985, 14349, 23915, 33481, 43047, 71745, 90877, 100443, 167405, 215235, 272631, 301329, 454385, 502215, 636139, 817893, 1363155, 1506645, 1908417, 3180695, 4089465, 5725251, 9542085, 28626255]

約数ペア:

[(1, 28626255), (3, 9542085), (5, 5725251), (7, 4089465), (9, 3180695), (15, 1908417), (19, 1506645), (21, 1363155), (35, 817893), (45, 636139), (57, 502215), (63, 454385), (95, 301329), (105, 272631), (133, 215235), (171, 167405), (285, 100443), (315, 90877), (399, 71745), (665, 43047), (855, 33481), (1197, 23915), (1995, 14349), (4783, 5985)]