1300215

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 2544480

約数和(自身を除く): 1244265

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 49, 61, 87, 105, 145, 147, 183, 203, 245, 305, 427, 435, 609, 735, 915, 1015, 1281, 1421, 1769, 2135, 2989, 3045, 4263, 5307, 6405, 7105, 8845, 8967, 12383, 14945, 21315, 26535, 37149, 44835, 61915, 86681, 185745, 260043, 433405, 1300215]

約数ペア:

[(1, 1300215), (3, 433405), (5, 260043), (7, 185745), (15, 86681), (21, 61915), (29, 44835), (35, 37149), (49, 26535), (61, 21315), (87, 14945), (105, 12383), (145, 8967), (147, 8845), (183, 7105), (203, 6405), (245, 5307), (305, 4263), (427, 3045), (435, 2989), (609, 2135), (735, 1769), (915, 1421), (1015, 1281)]