28805775

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{16699}}^1$

素因数の和:16735

約数の個数: 24

約数和(自身を含む): 49699200

約数和(自身を除く): 20893425

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 16699, 50097, 83495, 250485, 384077, 417475, 1152231, 1252425, 1920385, 5761155, 9601925, 28805775]

約数ペア:

[(1, 28805775), (3, 9601925), (5, 5761155), (15, 1920385), (23, 1252425), (25, 1152231), (69, 417475), (75, 384077), (115, 250485), (345, 83495), (575, 50097), (1725, 16699)]