28355265

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1321}}^1$

素因数の和:1391

約数の個数: 40

約数和(自身を含む): 51827688

約数和(自身を除く): 23472423

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 265, 405, 477, 795, 1321, 1431, 2385, 3963, 4293, 6605, 7155, 11889, 19815, 21465, 35667, 59445, 70013, 107001, 178335, 210039, 350065, 535005, 630117, 1050195, 1890351, 3150585, 5671053, 9451755, 28355265]

約数ペア:

[(1, 28355265), (3, 9451755), (5, 5671053), (9, 3150585), (15, 1890351), (27, 1050195), (45, 630117), (53, 535005), (81, 350065), (135, 210039), (159, 178335), (265, 107001), (405, 70013), (477, 59445), (795, 35667), (1321, 21465), (1431, 19815), (2385, 11889), (3963, 7155), (4293, 6605)]