2131325

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 3184320

約数和(自身を除く): 1052995

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 641, 665, 3205, 3325, 4487, 12179, 16025, 22435, 60895, 85253, 112175, 304475, 426265, 2131325]

約数ペア:

[(1, 2131325), (5, 426265), (7, 304475), (19, 112175), (25, 85253), (35, 60895), (95, 22435), (133, 16025), (175, 12179), (475, 4487), (641, 3325), (665, 3205)]