4009725

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:338

約数の個数: 36

約数和(自身を含む): 7312032

約数和(自身を除く): 3302307

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 251, 355, 639, 753, 1065, 1255, 1775, 2259, 3195, 3765, 5325, 6275, 11295, 15975, 17821, 18825, 53463, 56475, 89105, 160389, 267315, 445525, 801945, 1336575, 4009725]

約数ペア:

[(1, 4009725), (3, 1336575), (5, 801945), (9, 445525), (15, 267315), (25, 160389), (45, 89105), (71, 56475), (75, 53463), (213, 18825), (225, 17821), (251, 15975), (355, 11295), (639, 6275), (753, 5325), (1065, 3765), (1255, 3195), (1775, 2259)]