30881805

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 50761728

約数和(自身を除く): 19879923

約数列:

[1, 3, 5, 15, 71, 107, 213, 271, 321, 355, 535, 813, 1065, 1355, 1605, 4065, 7597, 19241, 22791, 28997, 37985, 57723, 86991, 96205, 113955, 144985, 288615, 434955, 2058787, 6176361, 10293935, 30881805]

約数ペア:

[(1, 30881805), (3, 10293935), (5, 6176361), (15, 2058787), (71, 434955), (107, 288615), (213, 144985), (271, 113955), (321, 96205), (355, 86991), (535, 57723), (813, 37985), (1065, 28997), (1355, 22791), (1605, 19241), (4065, 7597)]