28001565

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5059}}^1$

素因数の和:5114

約数の個数: 32

約数和(自身を含む): 51004800

約数和(自身を除く): 23003235

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 123, 135, 205, 369, 615, 1107, 1845, 5059, 5535, 15177, 25295, 45531, 75885, 136593, 207419, 227655, 622257, 682965, 1037095, 1866771, 3111285, 5600313, 9333855, 28001565]

約数ペア:

[(1, 28001565), (3, 9333855), (5, 5600313), (9, 3111285), (15, 1866771), (27, 1037095), (41, 682965), (45, 622257), (123, 227655), (135, 207419), (205, 136593), (369, 75885), (615, 45531), (1107, 25295), (1845, 15177), (5059, 5535)]