409042005

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{16699}}^1$

素因数の和:16801

約数の個数: 32

約数和(自身を含む): 692582400

約数和(自身を除く): 283540395

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 1065, 1633, 4899, 8165, 16699, 24495, 50097, 83495, 250485, 384077, 1152231, 1185629, 1920385, 3556887, 5761155, 5928145, 17784435, 27269467, 81808401, 136347335, 409042005]

約数ペア:

[(1, 409042005), (3, 136347335), (5, 81808401), (15, 27269467), (23, 17784435), (69, 5928145), (71, 5761155), (115, 3556887), (213, 1920385), (345, 1185629), (355, 1152231), (1065, 384077), (1633, 250485), (4899, 83495), (8165, 50097), (16699, 24495)]