7218315

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 14003808

約数和(自身を除く): 6785493

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 243, 351, 405, 457, 585, 1053, 1215, 1371, 1755, 2285, 3159, 4113, 5265, 5941, 6855, 12339, 15795, 17823, 20565, 29705, 37017, 53469, 61695, 89115, 111051, 160407, 185085, 267345, 481221, 555255, 802035, 1443663, 2406105, 7218315]

約数ペア:

[(1, 7218315), (3, 2406105), (5, 1443663), (9, 802035), (13, 555255), (15, 481221), (27, 267345), (39, 185085), (45, 160407), (65, 111051), (81, 89115), (117, 61695), (135, 53469), (195, 37017), (243, 29705), (351, 20565), (405, 17823), (457, 15795), (585, 12339), (1053, 6855), (1215, 5941), (1371, 5265), (1755, 4113), (2285, 3159)]