287534961

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{80071}}^1$

素因数の和:80106

約数の個数: 32

約数和(自身を含む): 512460800

約数和(自身を除く): 224925839

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 80071, 240213, 560497, 720639, 1521349, 1681491, 2161917, 4564047, 5044473, 10649443, 13692141, 15133419, 31948329, 41076423, 95844987, 287534961]

約数ペア:

[(1, 287534961), (3, 95844987), (7, 41076423), (9, 31948329), (19, 15133419), (21, 13692141), (27, 10649443), (57, 5044473), (63, 4564047), (133, 2161917), (171, 1681491), (189, 1521349), (399, 720639), (513, 560497), (1197, 240213), (3591, 80071)]