28778085

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{10151}}^1$

素因数の和:10175

約数の個数: 40

約数和(自身を含む): 58962816

約数和(自身を除く): 30184731

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 10151, 30453, 50755, 71057, 91359, 152265, 213171, 274077, 355285, 456795, 639513, 822231, 1065855, 1370385, 1918539, 3197565, 4111155, 5755617, 9592695, 28778085]

約数ペア:

[(1, 28778085), (3, 9592695), (5, 5755617), (7, 4111155), (9, 3197565), (15, 1918539), (21, 1370385), (27, 1065855), (35, 822231), (45, 639513), (63, 456795), (81, 355285), (105, 274077), (135, 213171), (189, 152265), (315, 91359), (405, 71057), (567, 50755), (945, 30453), (2835, 10151)]