3901605

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 6690816

約数和(自身を除く): 2789211

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 215, 263, 345, 645, 789, 989, 1315, 2967, 3945, 4945, 6049, 11309, 14835, 18147, 30245, 33927, 56545, 90735, 169635, 260107, 780321, 1300535, 3901605]

約数ペア:

[(1, 3901605), (3, 1300535), (5, 780321), (15, 260107), (23, 169635), (43, 90735), (69, 56545), (115, 33927), (129, 30245), (215, 18147), (263, 14835), (345, 11309), (645, 6049), (789, 4945), (989, 3945), (1315, 2967)]