28502595

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 54722304

約数和(自身を除く): 26219709

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 71, 99, 165, 213, 355, 495, 639, 781, 811, 1065, 2343, 2433, 3195, 3905, 4055, 7029, 7299, 8921, 11715, 12165, 26763, 35145, 36495, 44605, 57581, 80289, 133815, 172743, 287905, 401445, 518229, 633391, 863715, 1900173, 2591145, 3166955, 5700519, 9500865, 28502595]

約数ペア:

[(1, 28502595), (3, 9500865), (5, 5700519), (9, 3166955), (11, 2591145), (15, 1900173), (33, 863715), (45, 633391), (55, 518229), (71, 401445), (99, 287905), (165, 172743), (213, 133815), (355, 80289), (495, 57581), (639, 44605), (781, 36495), (811, 35145), (1065, 26763), (2343, 12165), (2433, 11715), (3195, 8921), (3905, 7299), (4055, 7029)]